1232020131021 has 32 divisors (see below), whose sum is σ = 1934128800000. Its totient is φ = 772412958720.

The previous prime is 1232020130993. The next prime is 1232020131047. The reversal of 1232020131021 is 1201310202321.

1232020131021 is a `hidden beast` number, since 12 + 320 + 2 + 0 + 1 + 310 + 21 = 666.

It is not a de Polignac number, because 1232020131021 - 2²⁵ = 1231986576589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232020130985 and 1232020131003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232020131721) 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, 501225 + ... + 1647806.

It is an arithmetic number, because the mean of its divisors is an integer number (60441525000).

Almost surely, 2^{1232020131021} is an apocalyptic number.

It is an amenable number.

1232020131021 is a deficient number, since it is larger than the sum of its proper divisors (702108668979).

1232020131021 is a wasteful number, since it uses less digits than its factorization.

1232020131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150306 (or 2150300 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1232020131021 its reverse (1201310202321), we get a palindrome (2433330333342).

The spelling of 1232020131021 in words is "one trillion, two hundred thirty-two billion, twenty million, one hundred thirty-one thousand, twenty-one".