12723652650 has 48 divisors (see below), whose sum is σ = 31580791200. Its totient is φ = 3390164160.

The previous prime is 12723652639. The next prime is 12723652663. The reversal of 12723652650 is 5625632721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12723652599 and 12723652608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149841 + ... + 218859.

It is an arithmetic number, because the mean of its divisors is an integer number (657933150).

Almost surely, 2^12723652650 is an apocalyptic number.

12723652650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12723652650 is an abundant number, since it is smaller than the sum of its proper divisors (18857138550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12723652650 is a wasteful number, since it uses less digits than its factorization.

12723652650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70263 (or 70258 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 12723652650 in words is "twelve billion, seven hundred twenty-three million, six hundred fifty-two thousand, six hundred fifty".