121202212222112 has 48 divisors (see below), whose sum is σ = 275516369069760. Its totient is φ = 51408302082048.

The previous prime is 121202212222099. The next prime is 121202212222139. The reversal of 121202212222112 is 211222212202121.

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, 2789057162 + ... + 2789100617.

It is an arithmetic number, because the mean of its divisors is an integer number (5739924355620).

Almost surely, 2^{121202212222112} is an apocalyptic number.

It is an amenable number.

121202212222112 is an abundant number, since it is smaller than the sum of its proper divisors (154314156847648).

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

121202212222112 is an equidigital number, since it uses as much as digits as its factorization.

121202212222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578157893 (or 5578157885 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 121202212222112 its reverse (211222212202121), we get a palindrome (332424424424233).

The spelling of 121202212222112 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred twelve".