122215532000 has 48 divisors (see below), whose sum is σ = 300283571952. Its totient is φ = 48886211200.

The previous prime is 122215531979. The next prime is 122215532059. The reversal of 122215532000 is 235512221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15272942 + ... + 15280941.

It is an arithmetic number, because the mean of its divisors is an integer number (6255907749).

Almost surely, 2^122215532000 is an apocalyptic number.

122215532000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122215532000 is an abundant number, since it is smaller than the sum of its proper divisors (178068039952).

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

122215532000 is an equidigital number, since it uses as much as digits as its factorization.

122215532000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30553908 (or 30553890 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 122215532000 in words is "one hundred twenty-two billion, two hundred fifteen million, five hundred thirty-two thousand".