1191403183012 has 24 divisors (see below), whose sum is σ = 2384276417600. Its totient is φ = 510286353120.

The previous prime is 1191403182961. The next prime is 1191403183079. The reversal of 1191403183012 is 2103813041911.

It is a happy number.

It is a super-2 number, since 2×1191403183012² (a number of 25 digits) contains 22 as substring.

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, 13079262 + ... + 13170037.

Almost surely, 2^{1191403183012} is an apocalyptic number.

It is an amenable number.

1191403183012 is an abundant number, since it is smaller than the sum of its proper divisors (1192873234588).

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

1191403183012 is a wasteful number, since it uses less digits than its factorization.

1191403183012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26250931 (or 26250929 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 1191403183012 in words is "one trillion, one hundred ninety-one billion, four hundred three million, one hundred eighty-three thousand, twelve".