122122400051 has 2 divisors, whose sum is σ = 122122400052. Its totient is φ = 122122400050.

The previous prime is 122122399999. The next prime is 122122400083. The reversal of 122122400051 is 150004221221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122122400051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122122399996 and 122122400032.

It is not a weakly prime, because it can be changed into another prime (122122400951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061200025 + 61061200026.

It is an arithmetic number, because the mean of its divisors is an integer number (61061200026).

Almost surely, 2^122122400051 is an apocalyptic number.

122122400051 is a deficient number, since it is larger than the sum of its proper divisors (1).

122122400051 is an equidigital number, since it uses as much as digits as its factorization.

122122400051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 122122400051 its reverse (150004221221), we get a palindrome (272126621272).

The spelling of 122122400051 in words is "one hundred twenty-two billion, one hundred twenty-two million, four hundred thousand, fifty-one".