122521125244 has 96 divisors (see below), whose sum is σ = 263816017920. Its totient is φ = 48615178752.

The previous prime is 122521125203. The next prime is 122521125247. The reversal of 122521125244 is 442521125221.

It is a super-2 number, since 2×122521125244² (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 (122521125247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18924792 + ... + 18931264.

It is an arithmetic number, because the mean of its divisors is an integer number (2748083520).

Almost surely, 2^122521125244 is an apocalyptic number.

122521125244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122521125244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131908008960).

122521125244 is an abundant number, since it is smaller than the sum of its proper divisors (141294892676).

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

122521125244 is a wasteful number, since it uses less digits than its factorization.

122521125244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307 (or 7305 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The spelling of 122521125244 in words is "one hundred twenty-two billion, five hundred twenty-one million, one hundred twenty-five thousand, two hundred forty-four".