712321634536356 has 24 divisors (see below), whose sum is σ = 1789936414989184. Its totient is φ = 219175887549600.

The previous prime is 712321634536349. The next prime is 712321634536357. The reversal of 712321634536356 is 653635436123217.

It is a super-2 number, since 2×712321634536356² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 712321634536296 and 712321634536305.

It is not an unprimeable number, because it can be changed into a prime (712321634536357) 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, 2283082161820 + ... + 2283082162131.

Almost surely, 2^{712321634536356} is an apocalyptic number.

It is an amenable number.

712321634536356 is an abundant number, since it is smaller than the sum of its proper divisors (1077614780452828).

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

712321634536356 is a wasteful number, since it uses less digits than its factorization.

712321634536356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566164323971 (or 4566164323969 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 57.

The spelling of 712321634536356 in words is "seven hundred twelve trillion, three hundred twenty-one billion, six hundred thirty-four million, five hundred thirty-six thousand, three hundred fifty-six".