12149174969829 has 8 divisors (see below), whose sum is σ = 17998777733120. Its totient is φ = 8099449979868.

The previous prime is 12149174969809. The next prime is 12149174969831. The reversal of 12149174969829 is 92896947194121.

12149174969829 is a `hidden beast` number, since 1 + 2 + 1 + 49 + 1 + 7 + 496 + 98 + 2 + 9 = 666.

It is not a de Polignac number, because 12149174969829 - 2²¹ = 12149172872677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12149174969809) 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, 224984721637 + ... + 224984721690.

It is an arithmetic number, because the mean of its divisors is an integer number (2249847216640).

Almost surely, 2^{12149174969829} is an apocalyptic number.

It is an amenable number.

12149174969829 is a deficient number, since it is larger than the sum of its proper divisors (5849602763291).

12149174969829 is an equidigital number, since it uses as much as digits as its factorization.

12149174969829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449969443336 (or 449969443330 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 72.

The spelling of 12149174969829 in words is "twelve trillion, one hundred forty-nine billion, one hundred seventy-four million, nine hundred sixty-nine thousand, eight hundred twenty-nine".