12734998156 has 24 divisors (see below), whose sum is σ = 23351749344. Its totient is φ = 6065368320.

The previous prime is 12734998127. The next prime is 12734998189. The reversal of 12734998156 is 65189943721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12734998097 and 12734998106.

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, 265015 + ... + 309358.

It is an arithmetic number, because the mean of its divisors is an integer number (972989556).

Almost surely, 2^12734998156 is an apocalyptic number.

It is an amenable number.

12734998156 is a deficient number, since it is larger than the sum of its proper divisors (10616751188).

12734998156 is a wasteful number, since it uses less digits than its factorization.

12734998156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574641 (or 574639 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The spelling of 12734998156 in words is "twelve billion, seven hundred thirty-four million, nine hundred ninety-eight thousand, one hundred fifty-six".