122215025400 has 96 divisors (see below), whose sum is σ = 408010187760. Its totient is φ = 30083696640.

The previous prime is 122215025381. The next prime is 122215025417. The reversal of 122215025400 is 4520512221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7826497 + ... + 7842096.

Almost surely, 2^122215025400 is an apocalyptic number.

122215025400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122215025400 is an abundant number, since it is smaller than the sum of its proper divisors (285795162360).

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

122215025400 is a wasteful number, since it uses less digits than its factorization.

122215025400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15668625 (or 15668616 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 122215025400 its reverse (4520512221), we get a palindrome (126735537621).

The spelling of 122215025400 in words is "one hundred twenty-two billion, two hundred fifteen million, twenty-five thousand, four hundred".