1012223132251 has 2 divisors, whose sum is σ = 1012223132252. Its totient is φ = 1012223132250.

The previous prime is 1012223132203. The next prime is 1012223132257. The reversal of 1012223132251 is 1522313222101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012223132251 - 2¹¹ = 1012223130203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012223132257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506111566125 + 506111566126.

It is an arithmetic number, because the mean of its divisors is an integer number (506111566126).

Almost surely, 2^{1012223132251} is an apocalyptic number.

1012223132251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012223132251 is an equidigital number, since it uses as much as digits as its factorization.

1012223132251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1012223132251 its reverse (1522313222101), we get a palindrome (2534536354352).

The spelling of 1012223132251 in words is "one trillion, twelve billion, two hundred twenty-three million, one hundred thirty-two thousand, two hundred fifty-one".