12212500521324 has 12 divisors (see below), whose sum is σ = 28495834549784. Its totient is φ = 4070833507104.

The previous prime is 12212500521323. The next prime is 12212500521349. The reversal of 12212500521324 is 42312500521221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12212500521291 and 12212500521300.

It is not an unprimeable number, because it can be changed into a prime (12212500521323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508854188377 + ... + 508854188400.

Almost surely, 2^{12212500521324} is an apocalyptic number.

It is an amenable number.

12212500521324 is an abundant number, since it is smaller than the sum of its proper divisors (16283334028460).

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

12212500521324 is a wasteful number, since it uses less digits than its factorization.

12212500521324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017708376784 (or 1017708376782 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 12212500521324 in words is "twelve trillion, two hundred twelve billion, five hundred million, five hundred twenty-one thousand, three hundred twenty-four".