12724722042202 has 64 divisors (see below), whose sum is σ = 21087232225920. Its totient is φ = 5733976006656.

The previous prime is 12724722042199. The next prime is 12724722042217. The reversal of 12724722042202 is 20224022742721.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21551373 + ... + 22133935.

It is an arithmetic number, because the mean of its divisors is an integer number (329488003530).

Almost surely, 2^{12724722042202} is an apocalyptic number.

12724722042202 is a deficient number, since it is larger than the sum of its proper divisors (8362510183718).

12724722042202 is a wasteful number, since it uses less digits than its factorization.

12724722042202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582895.

The product of its (nonzero) digits is 100352, while the sum is 37.

Adding to 12724722042202 its reverse (20224022742721), we get a palindrome (32948744784923).

The spelling of 12724722042202 in words is "twelve trillion, seven hundred twenty-four billion, seven hundred twenty-two million, forty-two thousand, two hundred two".