131321023212120 has 192 divisors, whose sum is σ = 458293596606720. Its totient is φ = 30015577218816.

The previous prime is 131321023212023. The next prime is 131321023212133. The reversal of 131321023212120 is 21212320123131.

It is a super-2 number, since 2×131321023212120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 299914069 + ... + 300351611.

It is an arithmetic number, because the mean of its divisors is an integer number (2386945815660).

Almost surely, 2^{131321023212120} is an apocalyptic number.

131321023212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131321023212120 is an abundant number, since it is smaller than the sum of its proper divisors (326972573394600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131321023212120 is a wasteful number, since it uses less digits than its factorization.

131321023212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488614 (or 488603 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131321023212120 its reverse (21212320123131), we get a palindrome (152533343335251).

The spelling of 131321023212120 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, twenty-three million, two hundred twelve thousand, one hundred twenty".