312322112001 has 24 divisors (see below), whose sum is σ = 455575614624. Its totient is φ = 206165760000.

The previous prime is 312322111987. The next prime is 312322112023. The reversal of 312322112001 is 100211223213.

312322112001 is a `hidden beast` number, since 312 + 322 + 11 + 20 + 0 + 1 = 666.

It is not a de Polignac number, because 312322112001 - 2¹³ = 312322103809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312322112701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1872001 + ... + 2032001.

It is an arithmetic number, because the mean of its divisors is an integer number (18982317276).

Almost surely, 2^312322112001 is an apocalyptic number.

It is an amenable number.

312322112001 is a deficient number, since it is larger than the sum of its proper divisors (143253502623).

312322112001 is a wasteful number, since it uses less digits than its factorization.

312322112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162141 (or 162138 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 312322112001 its reverse (100211223213), we get a palindrome (412533335214).

The spelling of 312322112001 in words is "three hundred twelve billion, three hundred twenty-two million, one hundred twelve thousand, one".