122543636372 has 12 divisors (see below), whose sum is σ = 214935455616. Its totient is φ = 61133506200.

The previous prime is 122543636363. The next prime is 122543636377. The reversal of 122543636372 is 273636345221.

It is a super-2 number, since 2×122543636372² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122543636377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34576004 + ... + 34579547.

It is an arithmetic number, because the mean of its divisors is an integer number (17911287968).

Almost surely, 2^122543636372 is an apocalyptic number.

It is an amenable number.

122543636372 is a deficient number, since it is larger than the sum of its proper divisors (92391819244).

122543636372 is a wasteful number, since it uses less digits than its factorization.

122543636372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69155998 (or 69155996 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 44.

The spelling of 122543636372 in words is "one hundred twenty-two billion, five hundred forty-three million, six hundred thirty-six thousand, three hundred seventy-two".