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120220012 = 22112732273
BaseRepresentation
bin1110010101001…
…10100101101100
322101012210212001
413022212211230
5221234020022
615532422044
72656565443
oct712464554
9271183761
10120220012
1161952090
1234317924
131bba3103
1411d75d5a
15a84ab27
hex72a696c

120220012 has 12 divisors (see below), whose sum is σ = 229511016. Its totient is φ = 54645440.

The previous prime is 120220007. The next prime is 120220021. The reversal of 120220012 is 210022021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366093 + ... + 1366180.

It is an arithmetic number, because the mean of its divisors is an integer number (19125918).

Almost surely, 2120220012 is an apocalyptic number.

It is an amenable number.

120220012 is a deficient number, since it is larger than the sum of its proper divisors (109291004).

120220012 is a wasteful number, since it uses less digits than its factorization.

120220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732288 (or 2732286 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 120220012 is about 10964.4886793685. The cubic root of 120220012 is about 493.5436731903.

Adding to 120220012 its reverse (210022021), we get a palindrome (330242033).

The spelling of 120220012 in words is "one hundred twenty million, two hundred twenty thousand, twelve".

Divisors: 1 2 4 11 22 44 2732273 5464546 10929092 30055003 60110006 120220012