85811257467212 has 12 divisors (see below), whose sum is σ = 152631498938016. Its totient is φ = 42202257770640.

The previous prime is 85811257467203. The next prime is 85811257467251. The reversal of 85811257467212 is 21276475211858.

85811257467212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

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, 175842740468 + ... + 175842740955.

It is an arithmetic number, because the mean of its divisors is an integer number (12719291578168).

Almost surely, 2^{85811257467212} is an apocalyptic number.

It is an amenable number.

85811257467212 is a deficient number, since it is larger than the sum of its proper divisors (66820241470804).

85811257467212 is a wasteful number, since it uses less digits than its factorization.

85811257467212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351685481488 (or 351685481486 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 59.

The spelling of 85811257467212 in words is "eighty-five trillion, eight hundred eleven billion, two hundred fifty-seven million, four hundred sixty-seven thousand, two hundred twelve".