1222432225312 has 12 divisors (see below), whose sum is σ = 2406663443646. Its totient is φ = 611216112640.

The previous prime is 1222432225291. The next prime is 1222432225319. The reversal of 1222432225312 is 2135222342221.

It can be written as a sum of positive squares in only one way, i.e., 989062074256 + 233370151056 = 994516^2 + 483084^2 .

It is not an unprimeable number, because it can be changed into a prime (1222432225319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19100503489 + ... + 19100503552.

Almost surely, 2^{1222432225312} is an apocalyptic number.

It is an amenable number.

1222432225312 is a deficient number, since it is larger than the sum of its proper divisors (1184231218334).

1222432225312 is an equidigital number, since it uses as much as digits as its factorization.

1222432225312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38201007051 (or 38201007043 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

Adding to 1222432225312 its reverse (2135222342221), we get a palindrome (3357654567533).

The spelling of 1222432225312 in words is "one trillion, two hundred twenty-two billion, four hundred thirty-two million, two hundred twenty-five thousand, three hundred twelve".