12002112002121 has 16 divisors (see below), whose sum is σ = 16294892589888. Its totient is φ = 7855849310400.

The previous prime is 12002112002107. The next prime is 12002112002173. The reversal of 12002112002121 is 12120021120021.

It is not a de Polignac number, because 12002112002121 - 2¹⁴ = 12002111985737 is a prime.

It is a super-2 number, since 2×12002112002121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12002112002121.

It is not an unprimeable number, because it can be changed into a prime (12002112002921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59849910 + ... + 60050111.

It is an arithmetic number, because the mean of its divisors is an integer number (1018430786868).

Almost surely, 2^{12002112002121} is an apocalyptic number.

It is an amenable number.

12002112002121 is a deficient number, since it is larger than the sum of its proper divisors (4292780587767).

12002112002121 is a wasteful number, since it uses less digits than its factorization.

12002112002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119900632.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12002112002121 its reverse (12120021120021), we get a palindrome (24122133122142).

The spelling of 12002112002121 in words is "twelve trillion, two billion, one hundred twelve million, two thousand, one hundred twenty-one".