12057422475021 has 24 divisors (see below), whose sum is σ = 20401427270304. Its totient is φ = 6263596090080.

The previous prime is 12057422475019. The next prime is 12057422475029.

12057422475021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12057422475021 - 2¹ = 12057422475019 is a prime.

It is a super-2 number, since 2×12057422475021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12057422475029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3728329390 + ... + 3728332623.

It is an arithmetic number, because the mean of its divisors is an integer number (850059469596).

Almost surely, 2^{12057422475021} is an apocalyptic number.

12057422475021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12057422475021 is a deficient number, since it is larger than the sum of its proper divisors (8344004795283).

12057422475021 is a wasteful number, since it uses less digits than its factorization.

12057422475021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7456662041 (or 7456662034 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 42.

The spelling of 12057422475021 in words is "twelve trillion, fifty-seven billion, four hundred twenty-two million, four hundred seventy-five thousand, twenty-one".