12906245147461 has 2 divisors, whose sum is σ = 12906245147462. Its totient is φ = 12906245147460.

The previous prime is 12906245147449. The next prime is 12906245147491. The reversal of 12906245147461 is 16474154260921.

12906245147461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12340431281025 + 565813866436 = 3512895^2 + 752206^2 .

It is a cyclic number.

It is not a de Polignac number, because 12906245147461 - 2⁷ = 12906245147333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12906245147399 and 12906245147408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12906245147491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453122573730 + 6453122573731.

It is an arithmetic number, because the mean of its divisors is an integer number (6453122573731).

Almost surely, 2^{12906245147461} is an apocalyptic number.

It is an amenable number.

12906245147461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12906245147461 is an equidigital number, since it uses as much as digits as its factorization.

12906245147461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 12906245147461 in words is "twelve trillion, nine hundred six billion, two hundred forty-five million, one hundred forty-seven thousand, four hundred sixty-one".