1222001110012 has 24 divisors (see below), whose sum is σ = 2362743837216. Its totient is φ = 550056764928.

The previous prime is 1222001110007. The next prime is 1222001110049. The reversal of 1222001110012 is 2100111002221.

It is a junction number, because it is equal to n+sod(n) for n = 1222001109974 and 1222001110001.

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, 390663753 + ... + 390666880.

It is an arithmetic number, because the mean of its divisors is an integer number (98447659884).

Almost surely, 2^{1222001110012} is an apocalyptic number.

It is an amenable number.

1222001110012 is a deficient number, since it is larger than the sum of its proper divisors (1140742727204).

1222001110012 is a wasteful number, since it uses less digits than its factorization.

1222001110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781330677 (or 781330675 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1222001110012 its reverse (2100111002221), we get a palindrome (3322112112233).

The spelling of 1222001110012 in words is "one trillion, two hundred twenty-two billion, one million, one hundred ten thousand, twelve".