122212120000 has 140 divisors (see below), whose sum is σ = 303397956576. Its totient is φ = 48828160000.

The previous prime is 122212119907. The next prime is 122212120033. The reversal of 122212120000 is 21212221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59238969 + ... + 59241031.

Almost surely, 2^122212120000 is an apocalyptic number.

122212120000 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 122212120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151698978288).

122212120000 is an abundant number, since it is smaller than the sum of its proper divisors (181185836576).

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

122212120000 is an equidigital number, since it uses as much as digits as its factorization.

122212120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122212120000 its reverse (21212221), we get a palindrome (122233332221).

The spelling of 122212120000 in words is "one hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand".