122245189530 has 32 divisors (see below), whose sum is σ = 298924089984. Its totient is φ = 31983646656.

The previous prime is 122245189471. The next prime is 122245189537. The reversal of 122245189530 is 35981542221.

It is not an unprimeable number, because it can be changed into a prime (122245189537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38440294 + ... + 38443473.

It is an arithmetic number, because the mean of its divisors is an integer number (9341377812).

Almost surely, 2^122245189530 is an apocalyptic number.

122245189530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122245189530 is an abundant number, since it is smaller than the sum of its proper divisors (176678900454).

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

122245189530 is a wasteful number, since it uses less digits than its factorization.

122245189530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76883830.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 122245189530 in words is "one hundred twenty-two billion, two hundred forty-five million, one hundred eighty-nine thousand, five hundred thirty".