1220412673736 has 48 divisors (see below), whose sum is σ = 2464094920740. Its totient is φ = 566444482560.

The previous prime is 1220412673703. The next prime is 1220412673759. The reversal of 1220412673736 is 6373762140221.

It can be written as a sum of positive squares in 6 ways, for example, as 957442680100 + 262969993636 = 978490^2 + 512806^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3446705 + ... + 3784256.

Almost surely, 2^{1220412673736} is an apocalyptic number.

It is an amenable number.

1220412673736 is an abundant number, since it is smaller than the sum of its proper divisors (1243682247004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220412673736 is a wasteful number, since it uses less digits than its factorization.

1220412673736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231074 (or 7231053 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 1220412673736 in words is "one trillion, two hundred twenty billion, four hundred twelve million, six hundred seventy-three thousand, seven hundred thirty-six".