12133017251 has 2 divisors, whose sum is σ = 12133017252. Its totient is φ = 12133017250.

The previous prime is 12133017217. The next prime is 12133017269. The reversal of 12133017251 is 15271033121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12133017251 - 2²² = 12128822947 is a prime.

It is a super-2 number, since 2×12133017251² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12133017251.

It is not a weakly prime, because it can be changed into another prime (12133017751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066508625 + 6066508626.

It is an arithmetic number, because the mean of its divisors is an integer number (6066508626).

Almost surely, 2^12133017251 is an apocalyptic number.

12133017251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133017251 is an equidigital number, since it uses as much as digits as its factorization.

12133017251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The spelling of 12133017251 in words is "twelve billion, one hundred thirty-three million, seventeen thousand, two hundred fifty-one".