122000200031 has 2 divisors, whose sum is σ = 122000200032. Its totient is φ = 122000200030.

The previous prime is 122000200009. The next prime is 122000200057. The reversal of 122000200031 is 130002000221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122000200031 - 2¹⁸ = 121999937887 is a prime.

It is a super-2 number, since 2×122000200031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122000199985 and 122000200021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122000200081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000100015 + 61000100016.

It is an arithmetic number, because the mean of its divisors is an integer number (61000100016).

Almost surely, 2^122000200031 is an apocalyptic number.

122000200031 is a deficient number, since it is larger than the sum of its proper divisors (1).

122000200031 is an equidigital number, since it uses as much as digits as its factorization.

122000200031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 122000200031 its reverse (130002000221), we get a palindrome (252002200252).

The spelling of 122000200031 in words is "one hundred twenty-two billion, two hundred thousand, thirty-one".