131000121132 has 48 divisors (see below), whose sum is σ = 307716575712. Its totient is φ = 43374090240.

The previous prime is 131000121053. The next prime is 131000121137. The reversal of 131000121132 is 231121000131.

It is a happy number.

It is a super-2 number, since 2×131000121132² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131000121137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6646332 + ... + 6666012.

It is an arithmetic number, because the mean of its divisors is an integer number (6410761994).

Almost surely, 2^131000121132 is an apocalyptic number.

131000121132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131000121132 is an abundant number, since it is smaller than the sum of its proper divisors (176716454580).

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

131000121132 is a wasteful number, since it uses less digits than its factorization.

131000121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23378 (or 23376 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131000121132 its reverse (231121000131), we get a palindrome (362121121263).

The spelling of 131000121132 in words is "one hundred thirty-one billion, one hundred twenty-one thousand, one hundred thirty-two".