312120133004022 has 64 divisors (see below), whose sum is σ = 758681795934720. Its totient is φ = 83564951348736.

The previous prime is 312120133003979. The next prime is 312120133004033. The reversal of 312120133004022 is 220400331021213.

It is a junction number, because it is equal to n+sod(n) for n = 312120133003983 and 312120133004001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 954297288 + ... + 954624299.

It is an arithmetic number, because the mean of its divisors is an integer number (11854403061480).

Almost surely, 2^{312120133004022} is an apocalyptic number.

312120133004022 is an abundant number, since it is smaller than the sum of its proper divisors (446561662930698).

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

312120133004022 is a wasteful number, since it uses less digits than its factorization.

312120133004022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908921845.

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

Adding to 312120133004022 its reverse (220400331021213), we get a palindrome (532520464025235).

The spelling of 312120133004022 in words is "three hundred twelve trillion, one hundred twenty billion, one hundred thirty-three million, four thousand, twenty-two".