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2012201211 = 34315719929
BaseRepresentation
bin111011111101111…
…1100000011111011
312012020022102010210
41313323330003323
513110110414321
6531400242203
7100602266556
oct16773740373
95166272123
102012201211
11942920609
12481a70363
13260b59b07
1415135369d
15bb9c2b76
hex77efc0fb

2012201211 has 16 divisors (see below), whose sum is σ = 2747352960. Its totient is φ = 1309304640.

The previous prime is 2012201197. The next prime is 2012201237. The reversal of 2012201211 is 1121022102.

It is not a de Polignac number, because 2012201211 - 214 = 2012184827 is a prime.

It is a super-3 number, since 3×20122012113 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012201291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197695 + ... + 207623.

It is an arithmetic number, because the mean of its divisors is an integer number (171709560).

Almost surely, 22012201211 is an apocalyptic number.

2012201211 is a deficient number, since it is larger than the sum of its proper divisors (735151749).

2012201211 is a wasteful number, since it uses less digits than its factorization.

2012201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11546.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2012201211 is about 44857.5658167048. The cubic root of 2012201211 is about 1262.4779511360.

Adding to 2012201211 its reverse (1121022102), we get a palindrome (3133223313).

The spelling of 2012201211 in words is "two billion, twelve million, two hundred one thousand, two hundred eleven".

Divisors: 1 3 43 129 1571 4713 9929 29787 67553 202659 426947 1280841 15598459 46795377 670733737 2012201211