131112020212 has 12 divisors (see below), whose sum is σ = 232677670176. Its totient is φ = 64632685880.

The previous prime is 131112020203. The next prime is 131112020257. The reversal of 131112020212 is 212020211131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230830738 + ... + 230831305.

It is an arithmetic number, because the mean of its divisors is an integer number (19389805848).

Almost surely, 2^131112020212 is an apocalyptic number.

It is an amenable number.

131112020212 is a deficient number, since it is larger than the sum of its proper divisors (101565649964).

131112020212 is a wasteful number, since it uses less digits than its factorization.

131112020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461662118 (or 461662116 counting only the distinct ones).

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

Adding to 131112020212 its reverse (212020211131), we get a palindrome (343132231343).

The spelling of 131112020212 in words is "one hundred thirty-one billion, one hundred twelve million, twenty thousand, two hundred twelve".