1220031333112 has 32 divisors (see below), whose sum is σ = 2293089432480. Its totient is φ = 608541477760.

The previous prime is 1220031333109. The next prime is 1220031333181. The reversal of 1220031333112 is 2113331300221.

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, 15646173 + ... + 15723955.

It is an arithmetic number, because the mean of its divisors is an integer number (71659044765).

Almost surely, 2^{1220031333112} is an apocalyptic number.

It is an amenable number.

1220031333112 is a deficient number, since it is larger than the sum of its proper divisors (1073058099368).

1220031333112 is a wasteful number, since it uses less digits than its factorization.

1220031333112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82503 (or 82499 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1220031333112 its reverse (2113331300221), we get a palindrome (3333362633333).

The spelling of 1220031333112 in words is "one trillion, two hundred twenty billion, thirty-one million, three hundred thirty-three thousand, one hundred twelve".