1012210002157 has 2 divisors, whose sum is σ = 1012210002158. Its totient is φ = 1012210002156.

The previous prime is 1012210002107. The next prime is 1012210002163. The reversal of 1012210002157 is 7512000122101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 966467914281 + 45742087876 = 983091^2 + 213874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012210002157 - 2¹⁵ = 1012209969389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012210002107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506105001078 + 506105001079.

It is an arithmetic number, because the mean of its divisors is an integer number (506105001079).

Almost surely, 2^{1012210002157} is an apocalyptic number.

It is an amenable number.

1012210002157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012210002157 is an equidigital number, since it uses as much as digits as its factorization.

1012210002157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 1012210002157 its reverse (7512000122101), we get a palindrome (8524210124258).

The spelling of 1012210002157 in words is "one trillion, twelve billion, two hundred ten million, two thousand, one hundred fifty-seven".