12115733734 has 16 divisors (see below), whose sum is σ = 19584125568. Its totient is φ = 5588289792.

The previous prime is 12115733647. The next prime is 12115733761. The reversal of 12115733734 is 43733751121.

It is a junction number, because it is equal to n+sod(n) for n = 12115733693 and 12115733702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107947 + ... + 189430.

It is an arithmetic number, because the mean of its divisors is an integer number (1224007848).

Almost surely, 2^12115733734 is an apocalyptic number.

12115733734 is a deficient number, since it is larger than the sum of its proper divisors (7468391834).

12115733734 is a wasteful number, since it uses less digits than its factorization.

12115733734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298959.

The product of its digits is 52920, while the sum is 37.

The spelling of 12115733734 in words is "twelve billion, one hundred fifteen million, seven hundred thirty-three thousand, seven hundred thirty-four".