131212035101 has 4 divisors (see below), whose sum is σ = 149956611552. Its totient is φ = 112467458652.

The previous prime is 131212035049. The next prime is 131212035127. The reversal of 131212035101 is 101530212131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131212035101 - 2³⁰ = 130138293277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212035401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9372288215 + ... + 9372288228.

It is an arithmetic number, because the mean of its divisors is an integer number (37489152888).

Almost surely, 2^131212035101 is an apocalyptic number.

It is an amenable number.

131212035101 is a deficient number, since it is larger than the sum of its proper divisors (18744576451).

131212035101 is an equidigital number, since it uses as much as digits as its factorization.

131212035101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18744576450.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 131212035101 its reverse (101530212131), we get a palindrome (232742247232).

The spelling of 131212035101 in words is "one hundred thirty-one billion, two hundred twelve million, thirty-five thousand, one hundred one".