312000122 has 8 divisors (see below), whose sum is σ = 534857376. Its totient is φ = 133714332.

The previous prime is 312000097. The next prime is 312000127. The reversal of 312000122 is 221000213.

It is a happy number.

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

It is a super-2 number, since 2×312000122² = 194688152256029768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312000127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11142848 + ... + 11142875.

It is an arithmetic number, because the mean of its divisors is an integer number (66857172).

Almost surely, 2^312000122 is an apocalyptic number.

312000122 is a deficient number, since it is larger than the sum of its proper divisors (222857254).

312000122 is a wasteful number, since it uses less digits than its factorization.

312000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22285732.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 312000122 is about 17663.5251861003. The cubic root of 312000122 is about 678.2423770062.

Adding to 312000122 its reverse (221000213), we get a palindrome (533000335).

Subtracting from 312000122 its reverse (221000213), we obtain a palindrome (90999909).

The spelling of 312000122 in words is "three hundred twelve million, one hundred twenty-two", and thus it is an aban number.