12345307451 has 2 divisors, whose sum is σ = 12345307452. Its totient is φ = 12345307450.

The previous prime is 12345307427. The next prime is 12345307489. The reversal of 12345307451 is 15470354321.

It is a weak prime.

It is an emirp because it is prime and its reverse (15470354321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12345307451 - 2¹⁴ = 12345291067 is a prime.

It is a super-2 number, since 2×12345307451² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12345307411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172653725 + 6172653726.

It is an arithmetic number, because the mean of its divisors is an integer number (6172653726).

Almost surely, 2^12345307451 is an apocalyptic number.

12345307451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345307451 is an equidigital number, since it uses as much as digits as its factorization.

12345307451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 12345307451 in words is "twelve billion, three hundred forty-five million, three hundred seven thousand, four hundred fifty-one".