312020122 has 8 divisors (see below), whose sum is σ = 477988416. Its totient is φ = 152690652.

The previous prime is 312020119. The next prime is 312020141. The reversal of 312020122 is 221020213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659588 + ... + 1659775.

It is an arithmetic number, because the mean of its divisors is an integer number (59748552).

Almost surely, 2^312020122 is an apocalyptic number.

312020122 is a deficient number, since it is larger than the sum of its proper divisors (165968294).

312020122 is a wasteful number, since it uses less digits than its factorization.

312020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319412.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 312020122 is about 17664.0913154343. The cubic root of 312020122 is about 678.2568690494.

Adding to 312020122 its reverse (221020213), we get a palindrome (533040335).

Subtracting from 312020122 its reverse (221020213), we obtain a palindrome (90999909).

The spelling of 312020122 in words is "three hundred twelve million, twenty thousand, one hundred twenty-two".