131212004112342 has 24 divisors (see below), whose sum is σ = 284308090961544. Its totient is φ = 43734963106464.

The previous prime is 131212004112283. The next prime is 131212004112353. The reversal of 131212004112342 is 243211400212131.

131212004112342 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 200 + 4 + 112 + 342 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197291943 + ... + 197955890.

It is an arithmetic number, because the mean of its divisors is an integer number (11846170456731).

Almost surely, 2^{131212004112342} is an apocalyptic number.

131212004112342 is an abundant number, since it is smaller than the sum of its proper divisors (153096086849202).

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

131212004112342 is a wasteful number, since it uses less digits than its factorization.

131212004112342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395266284 (or 395266281 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 131212004112342 its reverse (243211400212131), we get a palindrome (374423404324473).

The spelling of 131212004112342 in words is "one hundred thirty-one trillion, two hundred twelve billion, four million, one hundred twelve thousand, three hundred forty-two".