1221046374896 has 40 divisors (see below), whose sum is σ = 2369363288544. Its totient is φ = 609598196480.

The previous prime is 1221046374857. The next prime is 1221046374917. The reversal of 1221046374896 is 6984736401221.

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, 60345101 + ... + 60365331.

Almost surely, 2^{1221046374896} is an apocalyptic number.

1221046374896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1221046374896 is a deficient number, since it is larger than the sum of its proper divisors (1148316913648).

1221046374896 is a wasteful number, since it uses less digits than its factorization.

1221046374896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25769 (or 25763 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 1221046374896 in words is "one trillion, two hundred twenty-one billion, forty-six million, three hundred seventy-four thousand, eight hundred ninety-six".