1222112101012 has 24 divisors (see below), whose sum is σ = 2356223339232. Its totient is φ = 550005444000.

The previous prime is 1222112101009. The next prime is 1222112101033. The reversal of 1222112101012 is 2101012112221.

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, 137496918 + ... + 137505805.

It is an arithmetic number, because the mean of its divisors is an integer number (98175972468).

Almost surely, 2^{1222112101012} is an apocalyptic number.

It is an amenable number.

1222112101012 is a deficient number, since it is larger than the sum of its proper divisors (1134111238220).

1222112101012 is a wasteful number, since it uses less digits than its factorization.

1222112101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275002839 (or 275002837 counting only the distinct ones).

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

Adding to 1222112101012 its reverse (2101012112221), we get a palindrome (3323124213233).

The spelling of 1222112101012 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, one hundred one thousand, twelve".