1012252240427 has 2 divisors, whose sum is σ = 1012252240428. Its totient is φ = 1012252240426.

The previous prime is 1012252240399. The next prime is 1012252240453. The reversal of 1012252240427 is 7240422522101.

It is a strong prime.

It is an emirp because it is prime and its reverse (7240422522101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012252240427 - 2²⁰ = 1012251191851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012252240393 and 1012252240402.

It is not a weakly prime, because it can be changed into another prime (1012252240487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506126120213 + 506126120214.

It is an arithmetic number, because the mean of its divisors is an integer number (506126120214).

Almost surely, 2^{1012252240427} is an apocalyptic number.

1012252240427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012252240427 is an equidigital number, since it uses as much as digits as its factorization.

1012252240427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 32.

Adding to 1012252240427 its reverse (7240422522101), we get a palindrome (8252674762528).

The spelling of 1012252240427 in words is "one trillion, twelve billion, two hundred fifty-two million, two hundred forty thousand, four hundred twenty-seven".