12052204120021 has 8 divisors (see below), whose sum is σ = 13047251180544. Its totient is φ = 11066864836080.

The previous prime is 12052204120007. The next prime is 12052204120031. The reversal of 12052204120021 is 12002140225021.

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

It is a cyclic number.

It is not a de Polignac number, because 12052204120021 - 2³³ = 12043614185429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12052204119974 and 12052204120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052204120031) 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, 2426941561 + ... + 2426946526.

It is an arithmetic number, because the mean of its divisors is an integer number (1630906397568).

Almost surely, 2^{12052204120021} is an apocalyptic number.

It is an amenable number.

12052204120021 is a deficient number, since it is larger than the sum of its proper divisors (995047060523).

12052204120021 is a wasteful number, since it uses less digits than its factorization.

12052204120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853888291.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 12052204120021 its reverse (12002140225021), we get a palindrome (24054344345042).

The spelling of 12052204120021 in words is "twelve trillion, fifty-two billion, two hundred four million, one hundred twenty thousand, twenty-one".