12315141451 has 2 divisors, whose sum is σ = 12315141452. Its totient is φ = 12315141450.

The previous prime is 12315141431. The next prime is 12315141469. The reversal of 12315141451 is 15414151321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12315141451 - 2¹⁹ = 12314617163 is a prime.

It is not a weakly prime, because it can be changed into another prime (12315141431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157570725 + 6157570726.

It is an arithmetic number, because the mean of its divisors is an integer number (6157570726).

Almost surely, 2^12315141451 is an apocalyptic number.

12315141451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315141451 is an equidigital number, since it uses as much as digits as its factorization.

12315141451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 28.

Adding to 12315141451 its reverse (15414151321), we get a palindrome (27729292772).

The spelling of 12315141451 in words is "twelve billion, three hundred fifteen million, one hundred forty-one thousand, four hundred fifty-one".