122888106916 has 9 divisors (see below), whose sum is σ = 215055414049. Its totient is φ = 61443702904.

The previous prime is 122888106889. The next prime is 122888106917. The reversal of 122888106916 is 619601888221.

It is a happy number.

The square root of 122888106916 is 350554.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 40004000100 + 82884106816 = 200010^2 + 287896^2 .

It is a super-3 number, since 3×122888106916³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122888106917) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 613470 + ... + 788746.

Almost surely, 2^122888106916 is an apocalyptic number.

122888106916 is the 350554-th square number.

It is an amenable number.

122888106916 is a deficient number, since it is larger than the sum of its proper divisors (92167307133).

122888106916 is an frugal number, since it uses more digits than its factorization.

122888106916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350558 (or 175279 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 52.

The spelling of 122888106916 in words is "one hundred twenty-two billion, eight hundred eighty-eight million, one hundred six thousand, nine hundred sixteen".