122215124000 has 96 divisors (see below), whose sum is σ = 300453753600. Its totient is φ = 48858182400.

The previous prime is 122215123981. The next prime is 122215124011. The reversal of 122215124000 is 421512221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7908281 + ... + 7923719.

It is an arithmetic number, because the mean of its divisors is an integer number (3129726600).

Almost surely, 2^122215124000 is an apocalyptic number.

122215124000 is a gapful number since it is divisible by the number (10) 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 122215124000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150226876800).

122215124000 is an abundant number, since it is smaller than the sum of its proper divisors (178238629600).

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

122215124000 is a wasteful number, since it uses less digits than its factorization.

122215124000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17443 (or 17425 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 122215124000 its reverse (421512221), we get a palindrome (122636636221).

The spelling of 122215124000 in words is "one hundred twenty-two billion, two hundred fifteen million, one hundred twenty-four thousand".