122725391012 has 24 divisors (see below), whose sum is σ = 245463630720. Its totient is φ = 52593842880.

The previous prime is 122725390939. The next prime is 122725391017. The reversal of 122725391012 is 210193527221.

It is not an unprimeable number, because it can be changed into a prime (122725391017) 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, 484664 + ... + 693072.

It is an arithmetic number, because the mean of its divisors is an integer number (10227651280).

Almost surely, 2^122725391012 is an apocalyptic number.

It is an amenable number.

122725391012 is an abundant number, since it is smaller than the sum of its proper divisors (122738239708).

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

122725391012 is a wasteful number, since it uses less digits than its factorization.

122725391012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229451 (or 229449 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 122725391012 in words is "one hundred twenty-two billion, seven hundred twenty-five million, three hundred ninety-one thousand, twelve".