122221212011200 has 42 divisors (see below), whose sum is σ = 300740569808996. Its totient is φ = 48888484803840.

The previous prime is 122221212011179. The next prime is 122221212011257. The reversal of 122221212011200 is 2110212122221.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38194127154 + ... + 38194130353.

Almost surely, 2^{122221212011200} is an apocalyptic number.

122221212011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221212011200 is an abundant number, since it is smaller than the sum of its proper divisors (178519357797796).

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

122221212011200 is an equidigital number, since it uses as much as digits as its factorization.

122221212011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76388257529 (or 76388257514 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122221212011200 its reverse (2110212122221), we get a palindrome (124331424133421).

The spelling of 122221212011200 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred twelve million, eleven thousand, two hundred".