312132131223042 has 64 divisors (see below), whose sum is σ = 672447905869824. Its totient is φ = 96017327864640.

The previous prime is 312132131222981. The next prime is 312132131223067. The reversal of 312132131223042 is 240322131231213.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8448086413 + ... + 8448123359.

It is an arithmetic number, because the mean of its divisors is an integer number (10506998529216).

Almost surely, 2^{312132131223042} is an apocalyptic number.

312132131223042 is an abundant number, since it is smaller than the sum of its proper divisors (360315774646782).

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

312132131223042 is a wasteful number, since it uses less digits than its factorization.

312132131223042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60343.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 312132131223042 its reverse (240322131231213), we get a palindrome (552454262454255).

The spelling of 312132131223042 in words is "three hundred twelve trillion, one hundred thirty-two billion, one hundred thirty-one million, two hundred twenty-three thousand, forty-two".