312122211000023 has 2 divisors, whose sum is σ = 312122211000024. Its totient is φ = 312122211000022.

The previous prime is 312122210999999. The next prime is 312122211000031. The reversal of 312122211000023 is 320000112221213.

It is a strong prime.

It is an emirp because it is prime and its reverse (320000112221213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312122211000023 - 2³⁶ = 312053491523287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312122210999959 and 312122211000004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312122211000323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156061105500011 + 156061105500012.

It is an arithmetic number, because the mean of its divisors is an integer number (156061105500012).

Almost surely, 2^{312122211000023} is an apocalyptic number.

312122211000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

312122211000023 is an equidigital number, since it uses as much as digits as its factorization.

312122211000023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312122211000023 its reverse (320000112221213), we get a palindrome (632122323221236).

The spelling of 312122211000023 in words is "three hundred twelve trillion, one hundred twenty-two billion, two hundred eleven million, twenty-three", and thus it is an aban number.