312132120030042 has 32 divisors (see below), whose sum is σ = 672285975657408. Its totient is φ = 96040450968576.

The previous prime is 312132120029969. The next prime is 312132120030043. The reversal of 312132120030042 is 240030021231213.

It is a junction number, because it is equal to n+sod(n) for n = 312132120029994 and 312132120030021.

It is not an unprimeable number, because it can be changed into a prime (312132120030043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35660713 + ... + 43542515.

It is an arithmetic number, because the mean of its divisors is an integer number (21008936739294).

Almost surely, 2^{312132120030042} is an apocalyptic number.

312132120030042 is an abundant number, since it is smaller than the sum of its proper divisors (360153855627366).

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

312132120030042 is a wasteful number, since it uses less digits than its factorization.

312132120030042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8389534.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 312132120030042 its reverse (240030021231213), we get a palindrome (552162141261255).

The spelling of 312132120030042 in words is "three hundred twelve trillion, one hundred thirty-two billion, one hundred twenty million, thirty thousand, forty-two".