131212233230100 has 144 divisors (see below), whose sum is σ = 415141959214080. Its totient is φ = 31733109372800.

The previous prime is 131212233230087. The next prime is 131212233230131. The reversal of 131212233230100 is 1032332212131.

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, 46065132 + ... + 48830531.

It is an arithmetic number, because the mean of its divisors is an integer number (2882930272320).

Almost surely, 2^{131212233230100} is an apocalyptic number.

131212233230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131212233230100 is an abundant number, since it is smaller than the sum of its proper divisors (283929725983980).

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

131212233230100 is a wasteful number, since it uses less digits than its factorization.

131212233230100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94896110 (or 94896103 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131212233230100 its reverse (1032332212131), we get a palindrome (132244565442231).

The spelling of 131212233230100 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred thirty-three million, two hundred thirty thousand, one hundred".