12021122132031 has 4 divisors (see below), whose sum is σ = 16028162842712. Its totient is φ = 8014081421352.

The previous prime is 12021122132029. The next prime is 12021122132053. The reversal of 12021122132031 is 13023122112021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12021122132031 - 2¹ = 12021122132029 is a prime.

It is a super-2 number, since 2×12021122132031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021122131989 and 12021122132007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021122134031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003520355336 + ... + 2003520355341.

It is an arithmetic number, because the mean of its divisors is an integer number (4007040710678).

Almost surely, 2^{12021122132031} is an apocalyptic number.

12021122132031 is a deficient number, since it is larger than the sum of its proper divisors (4007040710681).

12021122132031 is an equidigital number, since it uses as much as digits as its factorization.

12021122132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007040710680.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12021122132031 its reverse (13023122112021), we get a palindrome (25044244244052).

The spelling of 12021122132031 in words is "twelve trillion, twenty-one billion, one hundred twenty-two million, one hundred thirty-two thousand, thirty-one".