12113810049 has 16 divisors (see below), whose sum is σ = 17641128960. Its totient is φ = 7332935760.

The previous prime is 12113810041. The next prime is 12113810057. The reversal of 12113810049 is 94001831121.

It is an interprime number because it is at equal distance from previous prime (12113810041) and next prime (12113810057).

It is not a de Polignac number, because 12113810049 - 2³ = 12113810041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12113809998 and 12113810025.

It is not an unprimeable number, because it can be changed into a prime (12113810041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191077 + ... + 246450.

It is an arithmetic number, because the mean of its divisors is an integer number (1102570560).

Almost surely, 2^12113810049 is an apocalyptic number.

It is an amenable number.

12113810049 is a deficient number, since it is larger than the sum of its proper divisors (5527318911).

12113810049 is a wasteful number, since it uses less digits than its factorization.

12113810049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438380.

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 12113810049 in words is "twelve billion, one hundred thirteen million, eight hundred ten thousand, forty-nine".