120212211221112 has 16 divisors (see below), whose sum is σ = 300530528052840. Its totient is φ = 40070737073696.

The previous prime is 120212211221083. The next prime is 120212211221159. The reversal of 120212211221112 is 211122112212021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504421067083 + ... + 2504421067130.

Almost surely, 2^{120212211221112} is an apocalyptic number.

120212211221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120212211221112 is an abundant number, since it is smaller than the sum of its proper divisors (180318316831728).

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

120212211221112 is a wasteful number, since it uses less digits than its factorization.

120212211221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008842134222 (or 5008842134218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 120212211221112 its reverse (211122112212021), we get a palindrome (331334323433133).

Subtracting 120212211221112 from its reverse (211122112212021), we obtain a palindrome (90909900990909).

The spelling of 120212211221112 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twelve".