122345888900 has 18 divisors (see below), whose sum is σ = 265490579130. Its totient is φ = 48938355520.

The previous prime is 122345888869. The next prime is 122345888921. The reversal of 122345888900 is 9888543221.

It can be written as a sum of positive squares in 3 ways, for example, as 26186359684 + 96159529216 = 161822^2 + 310096^2 .

It is a super-2 number, since 2×122345888900² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611729345 + ... + 611729544.

Almost surely, 2^122345888900 is an apocalyptic number.

122345888900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122345888900 is an abundant number, since it is smaller than the sum of its proper divisors (143144690230).

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

122345888900 is a wasteful number, since it uses less digits than its factorization.

122345888900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223458903 (or 1223458896 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 122345888900 in words is "one hundred twenty-two billion, three hundred forty-five million, eight hundred eighty-eight thousand, nine hundred".