312122000211 has 32 divisors (see below), whose sum is σ = 488298585600. Its totient is φ = 177261128352.

The previous prime is 312122000207. The next prime is 312122000249. The reversal of 312122000211 is 112000221213.

It is not a de Polignac number, because 312122000211 - 2² = 312122000207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312122000261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 762720 + ... + 1098173.

It is an arithmetic number, because the mean of its divisors is an integer number (15259330800).

Almost surely, 2^312122000211 is an apocalyptic number.

312122000211 is a deficient number, since it is larger than the sum of its proper divisors (176176585389).

312122000211 is a wasteful number, since it uses less digits than its factorization.

312122000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861080 (or 1861066 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 312122000211 its reverse (112000221213), we get a palindrome (424122221424).

The spelling of 312122000211 in words is "three hundred twelve billion, one hundred twenty-two million, two hundred eleven", and thus it is an aban number.