1322200021012 has 12 divisors (see below), whose sum is σ = 2491838501236. Its totient is φ = 610246163520.

The previous prime is 1322200020983. The next prime is 1322200021031. The reversal of 1322200021012 is 2101200022231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 888411813136 + 433788207876 = 942556^2 + 658626^2 .

It is a congruent number.

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, 12713461689 + ... + 12713461792.

Almost surely, 2^{1322200021012} is an apocalyptic number.

It is an amenable number.

1322200021012 is a deficient number, since it is larger than the sum of its proper divisors (1169638480224).

1322200021012 is a wasteful number, since it uses less digits than its factorization.

1322200021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25426923498 (or 25426923496 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1322200021012 its reverse (2101200022231), we get a palindrome (3423400043243).

The spelling of 1322200021012 in words is "one trillion, three hundred twenty-two billion, two hundred million, twenty-one thousand, twelve".