131123233011212 has 24 divisors (see below), whose sum is σ = 247117225820976. Its totient is φ = 60518326189248.

The previous prime is 131123233011203. The next prime is 131123233011233. The reversal of 131123233011212 is 212110332321131.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45185018 + ... + 47999294.

It is an arithmetic number, because the mean of its divisors is an integer number (10296551075874).

Almost surely, 2^{131123233011212} is an apocalyptic number.

It is an amenable number.

131123233011212 is a deficient number, since it is larger than the sum of its proper divisors (115993992809764).

131123233011212 is a wasteful number, since it uses less digits than its factorization.

131123233011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710297 (or 3710295 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 131123233011212 its reverse (212110332321131), we get a palindrome (343233565332343).

The spelling of 131123233011212 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, two hundred thirty-three million, eleven thousand, two hundred twelve".