12021311303331 has 16 divisors (see below), whose sum is σ = 17485646508288. Its totient is φ = 7285600383200.

The previous prime is 12021311303303. The next prime is 12021311303341. The reversal of 12021311303331 is 13330311312021.

It is a cyclic number.

It is not a de Polignac number, because 12021311303331 - 2²⁵ = 12021277748899 is a prime.

It is a super-2 number, since 2×12021311303331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12021311303341) 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, 5170645 + ... + 7125881.

It is an arithmetic number, because the mean of its divisors is an integer number (1092852906768).

Almost surely, 2^{12021311303331} is an apocalyptic number.

12021311303331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12021311303331 is a deficient number, since it is larger than the sum of its proper divisors (5464335204957).

12021311303331 is a wasteful number, since it uses less digits than its factorization.

12021311303331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141562.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 12021311303331 its reverse (13330311312021), we get a palindrome (25351622615352).

The spelling of 12021311303331 in words is "twelve trillion, twenty-one billion, three hundred eleven million, three hundred three thousand, three hundred thirty-one".