12145694118 has 16 divisors (see below), whose sum is σ = 24335803200. Its totient is φ = 4041162216.

The previous prime is 12145694117. The next prime is 12145694123. The reversal of 12145694118 is 81149654121.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12145694118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145694117) 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, 1847068 + ... + 1853631.

It is an arithmetic number, because the mean of its divisors is an integer number (1520987700).

Almost surely, 2^12145694118 is an apocalyptic number.

12145694118 is an abundant number, since it is smaller than the sum of its proper divisors (12190109082).

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

12145694118 is a wasteful number, since it uses less digits than its factorization.

12145694118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701251.

The product of its digits is 69120, while the sum is 42.

The spelling of 12145694118 in words is "twelve billion, one hundred forty-five million, six hundred ninety-four thousand, one hundred eighteen".