12146264928 has 120 divisors (see below), whose sum is σ = 40825006992. Its totient is φ = 3470356224.

The previous prime is 12146264891. The next prime is 12146264987. The reversal of 12146264928 is 82946264121.

It is a happy number.

12146264928 is a `hidden beast` number, since 1 + 2 + 14 + 626 + 4 + 9 + 2 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 316575 + ... + 352862.

Almost surely, 2^12146264928 is an apocalyptic number.

12146264928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12146264928 is an abundant number, since it is smaller than the sum of its proper divisors (28678742064).

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

12146264928 is an equidigital number, since it uses as much as digits as its factorization.

12146264928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669466 (or 669449 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 12146264928 in words is "twelve billion, one hundred forty-six million, two hundred sixty-four thousand, nine hundred twenty-eight".