122112221120000 has 100 divisors (see below), whose sum is σ = 304884833682396. Its totient is φ = 48844888320000.

The previous prime is 122112221119937. The next prime is 122112221120033. The reversal of 122112221120000 is 21122211221.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×122112221120000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 190480346 + ... + 191120345.

Almost surely, 2^{122112221120000} is an apocalyptic number.

122112221120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122112221120000 is an abundant number, since it is smaller than the sum of its proper divisors (182772612562396).

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

122112221120000 is an frugal number, since it uses more digits than its factorization.

122112221120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381600729 (or 381600698 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122112221120000 its reverse (21122211221), we get a palindrome (122133343331221).

It can be divided in two parts, 122112221 and 120000, that added together give a palindrome (122232221).

The spelling of 122112221120000 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, one hundred twenty thousand".