122543120812 has 24 divisors (see below), whose sum is σ = 245239414560. Its totient is φ = 52485657600.

The previous prime is 122543120789. The next prime is 122543120813. The reversal of 122543120812 is 218021345221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122543120813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321987 + ... + 1411642.

It is an arithmetic number, because the mean of its divisors is an integer number (10218308940).

Almost surely, 2^122543120812 is an apocalyptic number.

It is an amenable number.

122543120812 is an abundant number, since it is smaller than the sum of its proper divisors (122696293748).

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

122543120812 is a wasteful number, since it uses less digits than its factorization.

122543120812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735241 (or 2735239 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 122543120812 in words is "one hundred twenty-two billion, five hundred forty-three million, one hundred twenty thousand, eight hundred twelve".