8156928580212 has 24 divisors (see below), whose sum is σ = 19033568003296. Its totient is φ = 2718871243488.

The previous prime is 8156928580139. The next prime is 8156928580219. The reversal of 8156928580212 is 2120858296518.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8156928580219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12794578 + ... + 13416969.

Almost surely, 2^{8156928580212} is an apocalyptic number.

It is an amenable number.

8156928580212 is an abundant number, since it is smaller than the sum of its proper divisors (10876639423084).

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

8156928580212 is a wasteful number, since it uses less digits than its factorization.

8156928580212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26237487 (or 26237485 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 57.

The spelling of 8156928580212 in words is "eight trillion, one hundred fifty-six billion, nine hundred twenty-eight million, five hundred eighty thousand, two hundred twelve".