12020020146451 has 2 divisors, whose sum is σ = 12020020146452. Its totient is φ = 12020020146450.

The previous prime is 12020020146437. The next prime is 12020020146457. The reversal of 12020020146451 is 15464102002021.

12020020146451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (15464102002021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12020020146451 - 2⁵ = 12020020146419 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020020146457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010010073225 + 6010010073226.

It is an arithmetic number, because the mean of its divisors is an integer number (6010010073226).

Almost surely, 2^{12020020146451} is an apocalyptic number.

12020020146451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020020146451 is an equidigital number, since it uses as much as digits as its factorization.

12020020146451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 12020020146451 its reverse (15464102002021), we get a palindrome (27484122148472).

The spelling of 12020020146451 in words is "twelve trillion, twenty billion, twenty million, one hundred forty-six thousand, four hundred fifty-one".