12020111024331 has 32 divisors (see below), whose sum is σ = 16749344973312. Its totient is φ = 7653220185600.

The previous prime is 12020111024329. The next prime is 12020111024359. The reversal of 12020111024331 is 13342011102021.

It is not a de Polignac number, because 12020111024331 - 2¹ = 12020111024329 is a prime.

It is a super-2 number, since 2×12020111024331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020111024298 and 12020111024307.

It is not an unprimeable number, because it can be changed into a prime (12020111024381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167765491 + ... + 167837123.

It is an arithmetic number, because the mean of its divisors is an integer number (523417030416).

Almost surely, 2^{12020111024331} is an apocalyptic number.

12020111024331 is a deficient number, since it is larger than the sum of its proper divisors (4729233948981).

12020111024331 is a wasteful number, since it uses less digits than its factorization.

12020111024331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75363.

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

Adding to 12020111024331 its reverse (13342011102021), we get a palindrome (25362122126352).

The spelling of 12020111024331 in words is "twelve trillion, twenty billion, one hundred eleven million, twenty-four thousand, three hundred thirty-one".