1221113230132 has 24 divisors (see below), whose sum is σ = 2182763721600. Its totient is φ = 597470602560.

The previous prime is 1221113230111. The next prime is 1221113230177. The reversal of 1221113230132 is 2310323111221.

It is a super-2 number, since 2×1221113230132² (a number of 25 digits) contains 22 as substring.

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, 668632 + ... + 1699792.

It is an arithmetic number, because the mean of its divisors is an integer number (90948488400).

Almost surely, 2^{1221113230132} is an apocalyptic number.

It is an amenable number.

1221113230132 is a deficient number, since it is larger than the sum of its proper divisors (961650491468).

1221113230132 is a wasteful number, since it uses less digits than its factorization.

1221113230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037511 (or 1037509 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1221113230132 its reverse (2310323111221), we get a palindrome (3531436341353).

The spelling of 1221113230132 in words is "one trillion, two hundred twenty-one billion, one hundred thirteen million, two hundred thirty thousand, one hundred thirty-two".