12119177499 has 16 divisors (see below), whose sum is σ = 18983887104.
Its totient is φ = 6779959200.
The previous prime is 12119177489. The next prime is 12119177519. The reversal of 12119177499 is 99477191121.
It is a happy number.
It is not a de Polignac number, because 12119177499 - 215 = 12119144731 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12119177429) 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, 14124487 + ... + 14125344.
It is an arithmetic number, because the mean of its divisors is an integer number (1186492944).
Almost surely, 212119177499 is an apocalyptic number.
12119177499 is a deficient number, since it is larger than the sum of its proper divisors (6864709605).
12119177499 is a wasteful number, since it uses less digits than its factorization.
12119177499 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28249858.
The product of its digits is 285768, while the sum is 51.
The spelling of 12119177499 in words is "twelve billion, one hundred nineteen million, one hundred seventy-seven thousand, four hundred ninety-nine".