312122051401 has 32 divisors (see below), whose sum is σ = 340190226432. Its totient is φ = 285768000000.

The previous prime is 312122051359. The next prime is 312122051447. The reversal of 312122051401 is 104150221213.

It is a cyclic number.

It is not a de Polignac number, because 312122051401 - 2¹³ = 312122043209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312122051491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5476351 + ... + 5533051.

It is an arithmetic number, because the mean of its divisors is an integer number (10630944576).

Almost surely, 2^312122051401 is an apocalyptic number.

312122051401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

312122051401 is a deficient number, since it is larger than the sum of its proper divisors (28068175031).

312122051401 is a wasteful number, since it uses less digits than its factorization.

312122051401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56905.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 312122051401 its reverse (104150221213), we get a palindrome (416272272614).

The spelling of 312122051401 in words is "three hundred twelve billion, one hundred twenty-two million, fifty-one thousand, four hundred one".