1322221033012 has 24 divisors (see below), whose sum is σ = 2547831192480. Its totient is φ = 595392646560.

The previous prime is 1322221033009. The next prime is 1322221033051. The reversal of 1322221033012 is 2103301222231.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 140418087 + ... + 140427502.

It is an arithmetic number, because the mean of its divisors is an integer number (106159633020).

Almost surely, 2^{1322221033012} is an apocalyptic number.

It is an amenable number.

1322221033012 is a deficient number, since it is larger than the sum of its proper divisors (1225610159468).

1322221033012 is a wasteful number, since it uses less digits than its factorization.

1322221033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280845711 (or 280845709 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1322221033012 its reverse (2103301222231), we get a palindrome (3425522255243).

The spelling of 1322221033012 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-one million, thirty-three thousand, twelve".