12026651137 has 2 divisors, whose sum is σ = 12026651138. Its totient is φ = 12026651136.

The previous prime is 12026651099. The next prime is 12026651201. The reversal of 12026651137 is 73115662021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12021806736 + 4844401 = 109644^2 + 2201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12026651137 is a prime.

It is a super-2 number, since 2×12026651137² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12026651437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6013325568 + 6013325569.

It is an arithmetic number, because the mean of its divisors is an integer number (6013325569).

Almost surely, 2^12026651137 is an apocalyptic number.

It is an amenable number.

12026651137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12026651137 is an equidigital number, since it uses as much as digits as its factorization.

12026651137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 12026651137 in words is "twelve billion, twenty-six million, six hundred fifty-one thousand, one hundred thirty-seven".