12021583246451 has 2 divisors, whose sum is σ = 12021583246452. Its totient is φ = 12021583246450.

The previous prime is 12021583246427. The next prime is 12021583246459. The reversal of 12021583246451 is 15464238512021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021583246451 is a prime.

It is not a weakly prime, because it can be changed into another prime (12021583246459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010791623225 + 6010791623226.

It is an arithmetic number, because the mean of its divisors is an integer number (6010791623226).

Almost surely, 2^{12021583246451} is an apocalyptic number.

12021583246451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021583246451 is an equidigital number, since it uses as much as digits as its factorization.

12021583246451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 12021583246451 in words is "twelve trillion, twenty-one billion, five hundred eighty-three million, two hundred forty-six thousand, four hundred fifty-one".