122213212320 has 48 divisors (see below), whose sum is σ = 384971620320. Its totient is φ = 32590189824.

The previous prime is 122213212301. The next prime is 122213212343. The reversal of 122213212320 is 23212312221.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127304950 + ... + 127305909.

It is an arithmetic number, because the mean of its divisors is an integer number (8020242090).

Almost surely, 2^122213212320 is an apocalyptic number.

122213212320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122213212320 is an abundant number, since it is smaller than the sum of its proper divisors (262758408000).

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

122213212320 is a wasteful number, since it uses less digits than its factorization.

122213212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254610877 (or 254610869 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122213212320 its reverse (23212312221), we get a palindrome (145425524541).

Subtracting from 122213212320 its reverse (23212312221), we obtain a palindrome (99000900099).

The spelling of 122213212320 in words is "one hundred twenty-two billion, two hundred thirteen million, two hundred twelve thousand, three hundred twenty".