1221430010924 has 48 divisors (see below), whose sum is σ = 2292949977696. Its totient is φ = 567259468800.

The previous prime is 1221430010909. The next prime is 1221430010951. The reversal of 1221430010924 is 4290100341221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5196014 + ... + 5425994.

It is an arithmetic number, because the mean of its divisors is an integer number (47769791202).

Almost surely, 2^{1221430010924} is an apocalyptic number.

It is an amenable number.

1221430010924 is a deficient number, since it is larger than the sum of its proper divisors (1071519966772).

1221430010924 is a wasteful number, since it uses less digits than its factorization.

1221430010924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231026 (or 231024 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 1221430010924 in words is "one trillion, two hundred twenty-one billion, four hundred thirty million, ten thousand, nine hundred twenty-four".