8123211705052 has 24 divisors (see below), whose sum is σ = 14347806192720. Its totient is φ = 4023847687680.

The previous prime is 8123211705047. The next prime is 8123211705071. The reversal of 8123211705052 is 2505071123218.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408652 + ... + 4695532.

It is an arithmetic number, because the mean of its divisors is an integer number (597825258030).

Almost surely, 2^{8123211705052} is an apocalyptic number.

It is an amenable number.

8123211705052 is a deficient number, since it is larger than the sum of its proper divisors (6224594487668).

8123211705052 is a wasteful number, since it uses less digits than its factorization.

8123211705052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295141 (or 2295139 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 8123211705052 in words is "eight trillion, one hundred twenty-three billion, two hundred eleven million, seven hundred five thousand, fifty-two".