1012525322021 has 2 divisors, whose sum is σ = 1012525322022. Its totient is φ = 1012525322020.

The previous prime is 1012525321993. The next prime is 1012525322063. The reversal of 1012525322021 is 1202235252101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 945464522500 + 67060799521 = 972350^2 + 258961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012525322021 - 2³⁰ = 1011451580197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012525382021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506262661010 + 506262661011.

It is an arithmetic number, because the mean of its divisors is an integer number (506262661011).

Almost surely, 2^{1012525322021} is an apocalyptic number.

It is an amenable number.

1012525322021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012525322021 is an equidigital number, since it uses as much as digits as its factorization.

1012525322021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 1012525322021 in words is "one trillion, twelve billion, five hundred twenty-five million, three hundred twenty-two thousand, twenty-one".