20125536364212 has 12 divisors (see below), whose sum is σ = 46959584849856. Its totient is φ = 6708512121400.

The previous prime is 20125536364169. The next prime is 20125536364217. The reversal of 20125536364212 is 21246363552102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125536364217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838564015164 + ... + 838564015187.

It is an arithmetic number, because the mean of its divisors is an integer number (3913298737488).

Almost surely, 2^{20125536364212} is an apocalyptic number.

It is an amenable number.

20125536364212 is an abundant number, since it is smaller than the sum of its proper divisors (26834048485644).

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

20125536364212 is a wasteful number, since it uses less digits than its factorization.

20125536364212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677128030358 (or 1677128030356 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 20125536364212 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-six million, three hundred sixty-four thousand, two hundred twelve".