1012445522251 has 2 divisors, whose sum is σ = 1012445522252. Its totient is φ = 1012445522250.

The previous prime is 1012445522233. The next prime is 1012445522261. The reversal of 1012445522251 is 1522255442101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012445522251 - 2⁵ = 1012445522219 is a prime.

It is a super-2 number, since 2×1012445522251² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012445522261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506222761125 + 506222761126.

It is an arithmetic number, because the mean of its divisors is an integer number (506222761126).

Almost surely, 2^{1012445522251} is an apocalyptic number.

1012445522251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012445522251 is an equidigital number, since it uses as much as digits as its factorization.

1012445522251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 1012445522251 in words is "one trillion, twelve billion, four hundred forty-five million, five hundred twenty-two thousand, two hundred fifty-one".