122736511052664 has 32 divisors (see below), whose sum is σ = 320182202747520. Its totient is φ = 39133380335456.

The previous prime is 122736511052633. The next prime is 122736511052711. The reversal of 122736511052664 is 466250115637221.

It is a super-2 number, since 2×122736511052664² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 111174375402 + ... + 111174376505.

It is an arithmetic number, because the mean of its divisors is an integer number (10005693835860).

Almost surely, 2^{122736511052664} is an apocalyptic number.

It is an amenable number.

122736511052664 is an abundant number, since it is smaller than the sum of its proper divisors (197445691694856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122736511052664 is a wasteful number, since it uses less digits than its factorization.

122736511052664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222348751939 (or 222348751935 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

Adding to 122736511052664 its reverse (466250115637221), we get a palindrome (588986626689885).

The spelling of 122736511052664 in words is "one hundred twenty-two trillion, seven hundred thirty-six billion, five hundred eleven million, fifty-two thousand, six hundred sixty-four".