122242120431651 has 16 divisors (see below), whose sum is σ = 197563022920320. Its totient is φ = 74086133594760.

The previous prime is 122242120431649. The next prime is 122242120431679. The reversal of 122242120431651 is 156134021242221.

122242120431651 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 4 + 212 + 0 + 431 + 6 + 5 + 1 = 666.

It is not a de Polignac number, because 122242120431651 - 2¹ = 122242120431649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122242120431611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205794815245 + ... + 205794815838.

It is an arithmetic number, because the mean of its divisors is an integer number (12347688932520).

Almost surely, 2^{122242120431651} is an apocalyptic number.

122242120431651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122242120431651 is a deficient number, since it is larger than the sum of its proper divisors (75320902488669).

122242120431651 is a wasteful number, since it uses less digits than its factorization.

122242120431651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411589631103 (or 411589631097 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 122242120431651 its reverse (156134021242221), we get a palindrome (278376141673872).

The spelling of 122242120431651 in words is "one hundred twenty-two trillion, two hundred forty-two billion, one hundred twenty million, four hundred thirty-one thousand, six hundred fifty-one".