12119188449 has 16 divisors (see below), whose sum is σ = 16532169984. Its totient is φ = 7894099200.

The previous prime is 12119188427. The next prime is 12119188489. The reversal of 12119188449 is 94488191121.

It is not a de Polignac number, because 12119188449 - 2²¹ = 12117091297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12119188398 and 12119188407.

It is not an unprimeable number, because it can be changed into a prime (12119188409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119817 + ... + 196454.

It is an arithmetic number, because the mean of its divisors is an integer number (1033260624).

Almost surely, 2^12119188449 is an apocalyptic number.

It is an amenable number.

12119188449 is a deficient number, since it is larger than the sum of its proper divisors (4412981535).

12119188449 is a wasteful number, since it uses less digits than its factorization.

12119188449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316568.

The product of its digits is 165888, while the sum is 48.

The spelling of 12119188449 in words is "twelve billion, one hundred nineteen million, one hundred eighty-eight thousand, four hundred forty-nine".