2102011212 has 36 divisors (see below), whose sum is σ = 5705460600. Its totient is φ = 600574464.

The previous prime is 2102011201. The next prime is 2102011253. The reversal of 2102011212 is 2121102012.

It is a super-2 number, since 2×2102011212² = 8836902270747417888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1786837 + ... + 1788012.

Almost surely, 2^2102011212 is an apocalyptic number.

It is an amenable number.

2102011212 is an abundant number, since it is smaller than the sum of its proper divisors (3603449388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102011212 is a wasteful number, since it uses less digits than its factorization.

2102011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574870 (or 3574861 counting only the distinct ones).

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

The square root of 2102011212 is about 45847.6958199646. The cubic root of 2102011212 is about 1280.9878466403.

Adding to 2102011212 its reverse (2121102012), we get a palindrome (4223113224).

The spelling of 2102011212 in words is "two billion, one hundred two million, eleven thousand, two hundred twelve".