12126736502 has 8 divisors (see below), whose sum is σ = 18360106056. Its totient is φ = 6006701152.

The previous prime is 12126736487. The next prime is 12126736507. The reversal of 12126736502 is 20563762121.

12126736502 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12126736507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28333283 + ... + 28333710.

It is an arithmetic number, because the mean of its divisors is an integer number (2295013257).

Almost surely, 2^12126736502 is an apocalyptic number.

12126736502 is a deficient number, since it is larger than the sum of its proper divisors (6233369554).

12126736502 is a wasteful number, since it uses less digits than its factorization.

12126736502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56667102.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 12126736502 in words is "twelve billion, one hundred twenty-six million, seven hundred thirty-six thousand, five hundred two".