12012302302921 has 2 divisors, whose sum is σ = 12012302302922. Its totient is φ = 12012302302920.

The previous prime is 12012302302853. The next prime is 12012302302999. The reversal of 12012302302921 is 12920320321021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9717334845696 + 2294967457225 = 3117264^2 + 1514915^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012302302921 - 2²⁷ = 12012168085193 is a prime.

It is a super-2 number, since 2×12012302302921² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12012302302921.

It is not a weakly prime, because it can be changed into another prime (12012302312921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006151151460 + 6006151151461.

It is an arithmetic number, because the mean of its divisors is an integer number (6006151151461).

Almost surely, 2^{12012302302921} is an apocalyptic number.

It is an amenable number.

12012302302921 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012302302921 is an equidigital number, since it uses as much as digits as its factorization.

12012302302921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 12012302302921 its reverse (12920320321021), we get a palindrome (24932622623942).

The spelling of 12012302302921 in words is "twelve trillion, twelve billion, three hundred two million, three hundred two thousand, nine hundred twenty-one".