112221432131212 has 12 divisors (see below), whose sum is σ = 198753620763096. Its totient is φ = 55434683341760.

The previous prime is 112221432131189. The next prime is 112221432131239. The reversal of 112221432131212 is 212131234122211.

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, 169008180589 + ... + 169008181252.

It is an arithmetic number, because the mean of its divisors is an integer number (16562801730258).

Almost surely, 2^{112221432131212} is an apocalyptic number.

It is an amenable number.

112221432131212 is a deficient number, since it is larger than the sum of its proper divisors (86532188631884).

112221432131212 is a wasteful number, since it uses less digits than its factorization.

112221432131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338016361928 (or 338016361926 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

Adding to 112221432131212 its reverse (212131234122211), we get a palindrome (324352666253423).

The spelling of 112221432131212 in words is "one hundred twelve trillion, two hundred twenty-one billion, four hundred thirty-two million, one hundred thirty-one thousand, two hundred twelve".