207156012 has 192 divisors, whose sum is σ = 619315200. Its totient is φ = 52565760.

The previous prime is 207155957. The next prime is 207156017. The reversal of 207156012 is 210651702.

207156012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×207156012² = 85827226615488288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (207156017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2622189 + ... + 2622267.

It is an arithmetic number, because the mean of its divisors is an integer number (3225600).

Almost surely, 2^207156012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207156012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309657600).

207156012 is an abundant number, since it is smaller than the sum of its proper divisors (412159188).

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

207156012 is a wasteful number, since it uses less digits than its factorization.

207156012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 207156012 is about 14392.9153405417. The cubic root of 207156012 is about 591.6967455536.

The spelling of 207156012 in words is "two hundred seven million, one hundred fifty-six thousand, twelve".