122898861252 has 120 divisors (see below), whose sum is σ = 325815557760. Its totient is φ = 40389710400.

The previous prime is 122898861251. The next prime is 122898861269. The reversal of 122898861252 is 252168898221.

122898861252 is a `hidden beast` number, since 1 + 228 + 98 + 86 + 1 + 252 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (122898861251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20141002 + ... + 20147102.

It is an arithmetic number, because the mean of its divisors is an integer number (2715129648).

Almost surely, 2^122898861252 is an apocalyptic number.

122898861252 is a gapful number since it is divisible by the number (12) 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 122898861252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162907778880).

122898861252 is an abundant number, since it is smaller than the sum of its proper divisors (202916696508).

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

122898861252 is a wasteful number, since it uses less digits than its factorization.

122898861252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6983 (or 6972 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The spelling of 122898861252 in words is "one hundred twenty-two billion, eight hundred ninety-eight million, eight hundred sixty-one thousand, two hundred fifty-two".