122051716511516 has 18 divisors (see below), whose sum is σ = 234773033208000. Its totient is φ = 55478052959560.

The previous prime is 122051716511489. The next prime is 122051716511519. The reversal of 122051716511516 is 615115617150221.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122051716511519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126086483516 + ... + 126086484483.

Almost surely, 2^{122051716511516} is an apocalyptic number.

It is an amenable number.

122051716511516 is a deficient number, since it is larger than the sum of its proper divisors (112721316696484).

122051716511516 is a wasteful number, since it uses less digits than its factorization.

122051716511516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252172968025 (or 252172968012 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 44.

The spelling of 122051716511516 in words is "one hundred twenty-two trillion, fifty-one billion, seven hundred sixteen million, five hundred eleven thousand, five hundred sixteen".