131212021122044 has 12 divisors (see below), whose sum is σ = 229650099294168. Its totient is φ = 65597707038000.

The previous prime is 131212021122043. The next prime is 131212021122073. The reversal of 131212021122044 is 440221120212131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212021122043) 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, 2075845202 + ... + 2075908409.

It is an arithmetic number, because the mean of its divisors is an integer number (19137508274514).

Almost surely, 2^{131212021122044} is an apocalyptic number.

It is an amenable number.

131212021122044 is a deficient number, since it is larger than the sum of its proper divisors (98438078172124).

131212021122044 is a wasteful number, since it uses less digits than its factorization.

131212021122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151761516 (or 4151761514 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 131212021122044 its reverse (440221120212131), we get a palindrome (571433141334175).

The spelling of 131212021122044 in words is "one hundred thirty-one trillion, two hundred twelve billion, twenty-one million, one hundred twenty-two thousand, forty-four".