12247135651 has 2 divisors, whose sum is σ = 12247135652. Its totient is φ = 12247135650.

The previous prime is 12247135567. The next prime is 12247135661. The reversal of 12247135651 is 15653174221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12247135651 - 2¹¹ = 12247133603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12247135651.

It is not a weakly prime, because it can be changed into another prime (12247135661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6123567825 + 6123567826.

It is an arithmetic number, because the mean of its divisors is an integer number (6123567826).

Almost surely, 2^12247135651 is an apocalyptic number.

12247135651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12247135651 is an equidigital number, since it uses as much as digits as its factorization.

12247135651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The spelling of 12247135651 in words is "twelve billion, two hundred forty-seven million, one hundred thirty-five thousand, six hundred fifty-one".