1222113212032 has 16 divisors (see below), whose sum is σ = 2434678664850. Its totient is φ = 611056605952.

The previous prime is 1222113212017. The next prime is 1222113212051. The reversal of 1222113212032 is 2302123112221.

It can be written as a sum of positive squares in only one way, i.e., 1219116306496 + 2996905536 = 1104136^2 + 54744^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 1222113211994 and 1222113212012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4773879607 + ... + 4773879862.

Almost surely, 2^{1222113212032} is an apocalyptic number.

It is an amenable number.

1222113212032 is a deficient number, since it is larger than the sum of its proper divisors (1212565452818).

1222113212032 is an frugal number, since it uses more digits than its factorization.

1222113212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9547759483 (or 9547759471 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1222113212032 its reverse (2302123112221), we get a palindrome (3524236324253).

The spelling of 1222113212032 in words is "one trillion, two hundred twenty-two billion, one hundred thirteen million, two hundred twelve thousand, thirty-two".