12149174969830 has 16 divisors (see below), whose sum is σ = 23019489416880. Its totient is φ = 4603897883232.

The previous prime is 12149174969809. The next prime is 12149174969831. The reversal of 12149174969830 is 3896947194121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12149174969831) 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, 31971512889 + ... + 31971513268.

It is an arithmetic number, because the mean of its divisors is an integer number (1438718088555).

Almost surely, 2^{12149174969830} is an apocalyptic number.

12149174969830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12149174969830 is a deficient number, since it is larger than the sum of its proper divisors (10870314447050).

12149174969830 is a wasteful number, since it uses less digits than its factorization.

12149174969830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63943026183.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 12149174969830 in words is "twelve trillion, one hundred forty-nine billion, one hundred seventy-four million, nine hundred sixty-nine thousand, eight hundred thirty".