12012023951 has 2 divisors, whose sum is σ = 12012023952. Its totient is φ = 12012023950.

The previous prime is 12012023927. The next prime is 12012024007. The reversal of 12012023951 is 15932021021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012023951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12012023951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012023921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006011975 + 6006011976.

It is an arithmetic number, because the mean of its divisors is an integer number (6006011976).

Almost surely, 2^12012023951 is an apocalyptic number.

12012023951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012023951 is an equidigital number, since it uses as much as digits as its factorization.

12012023951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 12012023951 its reverse (15932021021), we get a palindrome (27944044972).

The spelling of 12012023951 in words is "twelve billion, twelve million, twenty-three thousand, nine hundred fifty-one".