12146656998 has 16 divisors (see below), whose sum is σ = 27763787520. Its totient is φ = 3470473416.

The previous prime is 12146656997. The next prime is 12146657051. The reversal of 12146656998 is 89965664121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146656993) 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, 144603018 + ... + 144603101.

It is an arithmetic number, because the mean of its divisors is an integer number (1735236720).

Almost surely, 2^12146656998 is an apocalyptic number.

12146656998 is an abundant number, since it is smaller than the sum of its proper divisors (15617130522).

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

12146656998 is a wasteful number, since it uses less digits than its factorization.

12146656998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289206131.

The product of its digits is 5598720, while the sum is 57.

The spelling of 12146656998 in words is "twelve billion, one hundred forty-six million, six hundred fifty-six thousand, nine hundred ninety-eight".