1122199945044 has 48 divisors (see below), whose sum is σ = 2633342886720. Its totient is φ = 371941850880.

The previous prime is 1122199945043. The next prime is 1122199945049. The reversal of 1122199945044 is 4405499912211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122199945043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33262104 + ... + 33295824.

It is an arithmetic number, because the mean of its divisors is an integer number (54861310140).

Almost surely, 2^{1122199945044} is an apocalyptic number.

It is an amenable number.

1122199945044 is an abundant number, since it is smaller than the sum of its proper divisors (1511142941676).

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

1122199945044 is a wasteful number, since it uses less digits than its factorization.

1122199945044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49400 (or 49398 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 1122199945044 in words is "one trillion, one hundred twenty-two billion, one hundred ninety-nine million, nine hundred forty-five thousand, forty-four".