12521600022 has 8 divisors (see below), whose sum is σ = 25043200056. Its totient is φ = 4173866672.

The previous prime is 12521600017. The next prime is 12521600027. The reversal of 12521600022 is 22000612521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12521600017) and next prime (12521600027).

It is a sphenic number, since it is the product of 3 distinct primes.

12521600022 is an admirable number.

It is a super-2 number, since 2×12521600022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12521600027) 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, 1043466663 + ... + 1043466674.

It is an arithmetic number, because the mean of its divisors is an integer number (3130400007).

Almost surely, 2^12521600022 is an apocalyptic number.

12521600022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12521600022 is a wasteful number, since it uses less digits than its factorization.

12521600022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086933342.

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 12521600022 in words is "twelve billion, five hundred twenty-one million, six hundred thousand, twenty-two".