131202121120 has 96 divisors (see below), whose sum is σ = 354369955968. Its totient is φ = 44967810048.

The previous prime is 131202121087. The next prime is 131202121133. The reversal of 131202121120 is 21121202131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 131202121094 and 131202121103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3433962 + ... + 3471958.

It is an arithmetic number, because the mean of its divisors is an integer number (3691353708).

Almost surely, 2^131202121120 is an apocalyptic number.

131202121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202121120 is an abundant number, since it is smaller than the sum of its proper divisors (223167834848).

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

131202121120 is a wasteful number, since it uses less digits than its factorization.

131202121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41102 (or 41094 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 131202121120 its reverse (21121202131), we get a palindrome (152323323251).

The spelling of 131202121120 in words is "one hundred thirty-one billion, two hundred two million, one hundred twenty-one thousand, one hundred twenty".