1222127607556 has 24 divisors (see below), whose sum is σ = 2282361532416. Its totient is φ = 570590375040.

The previous prime is 1222127607553. The next prime is 1222127607577. The reversal of 1222127607556 is 6557067212221.

It is not an unprimeable number, because it can be changed into a prime (1222127607553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70749100 + ... + 70766371.

It is an arithmetic number, because the mean of its divisors is an integer number (95098397184).

Almost surely, 2^{1222127607556} is an apocalyptic number.

It is an amenable number.

1222127607556 is a deficient number, since it is larger than the sum of its proper divisors (1060233924860).

1222127607556 is a wasteful number, since it uses less digits than its factorization.

1222127607556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141515619 (or 141515617 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 1222127607556 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-seven million, six hundred seven thousand, five hundred fifty-six".