12021120022131 has 24 divisors (see below), whose sum is σ = 18971028189360. Its totient is φ = 7274505268800.

The previous prime is 12021120022069. The next prime is 12021120022169. The reversal of 12021120022131 is 13122002112021.

12021120022131 is a `hidden beast` number, since 1 + 2 + 0 + 211 + 200 + 221 + 31 = 666.

It is not a de Polignac number, because 12021120022131 - 2⁹ = 12021120021619 is a prime.

It is a super-2 number, since 2×12021120022131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12021120022231) 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, 91784376 + ... + 91915253.

It is an arithmetic number, because the mean of its divisors is an integer number (790459507890).

Almost surely, 2^{12021120022131} is an apocalyptic number.

12021120022131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12021120022131 is a deficient number, since it is larger than the sum of its proper divisors (6949908167229).

12021120022131 is a wasteful number, since it uses less digits than its factorization.

12021120022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183700307 (or 183700304 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12021120022131 its reverse (13122002112021), we get a palindrome (25143122134152).

The spelling of 12021120022131 in words is "twelve trillion, twenty-one billion, one hundred twenty million, twenty-two thousand, one hundred thirty-one".