122645400600 has 48 divisors (see below), whose sum is σ = 380200743720. Its totient is φ = 32705440000.

The previous prime is 122645400599. The next prime is 122645400643. The reversal of 122645400600 is 6004546221.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102203901 + ... + 102205100.

Almost surely, 2^122645400600 is an apocalyptic number.

122645400600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122645400600 is an abundant number, since it is smaller than the sum of its proper divisors (257555343120).

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

122645400600 is a wasteful number, since it uses less digits than its factorization.

122645400600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204409020 (or 204409011 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 122645400600 its reverse (6004546221), we get a palindrome (128649946821).

The spelling of 122645400600 in words is "one hundred twenty-two billion, six hundred forty-five million, four hundred thousand, six hundred".