123112020100037 has 2 divisors, whose sum is σ = 123112020100038. Its totient is φ = 123112020100036.

The previous prime is 123112020099989. The next prime is 123112020100081. The reversal of 123112020100037 is 730001020211321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71471570095396 + 51640450004641 = 8454086^2 + 7186129^2 .

It is a cyclic number.

It is not a de Polignac number, because 123112020100037 - 2⁸ = 123112020099781 is a prime.

It is a super-2 number, since 2×123112020100037² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123112020099985 and 123112020100021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123112020100337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61556010050018 + 61556010050019.

It is an arithmetic number, because the mean of its divisors is an integer number (61556010050019).

Almost surely, 2^{123112020100037} is an apocalyptic number.

It is an amenable number.

123112020100037 is a deficient number, since it is larger than the sum of its proper divisors (1).

123112020100037 is an equidigital number, since it uses as much as digits as its factorization.

123112020100037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 123112020100037 its reverse (730001020211321), we get a palindrome (853113040311358).

The spelling of 123112020100037 in words is "one hundred twenty-three trillion, one hundred twelve billion, twenty million, one hundred thousand, thirty-seven".