1112001221212 has 24 divisors (see below), whose sum is σ = 2224044719456. Its totient is φ = 476562892608.

The previous prime is 1112001221179. The next prime is 1112001221239. The reversal of 1112001221212 is 2121221002111.

It is a congruent number.

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, 1243978 + ... + 1942030.

Almost surely, 2^{1112001221212} is an apocalyptic number.

It is an amenable number.

1112001221212 is an abundant number, since it is smaller than the sum of its proper divisors (1112043498244).

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

1112001221212 is a wasteful number, since it uses less digits than its factorization.

1112001221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754957 (or 754955 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112001221212 its reverse (2121221002111), we get a palindrome (3233222223323).

The spelling of 1112001221212 in words is "one trillion, one hundred twelve billion, one million, two hundred twenty-one thousand, two hundred twelve".