312123002101 has 8 divisors (see below), whose sum is σ = 314842550400. Its totient is φ = 309411784272.

The previous prime is 312123002077. The next prime is 312123002137. The reversal of 312123002101 is 101200321213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312123002101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312123002701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007345 + ... + 2157238.

It is an arithmetic number, because the mean of its divisors is an integer number (39355318800).

Almost surely, 2^312123002101 is an apocalyptic number.

It is an amenable number.

312123002101 is a deficient number, since it is larger than the sum of its proper divisors (2719548299).

312123002101 is a wasteful number, since it uses less digits than its factorization.

312123002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165235.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 312123002101 its reverse (101200321213), we get a palindrome (413323323314).

The spelling of 312123002101 in words is "three hundred twelve billion, one hundred twenty-three million, two thousand, one hundred one".