12400454351 has 2 divisors, whose sum is σ = 12400454352. Its totient is φ = 12400454350.

The previous prime is 12400454323. The next prime is 12400454389. The reversal of 12400454351 is 15345400421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12400454351 is a prime.

It is a super-2 number, since 2×12400454351² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12400454051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200227175 + 6200227176.

It is an arithmetic number, because the mean of its divisors is an integer number (6200227176).

Almost surely, 2^12400454351 is an apocalyptic number.

12400454351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400454351 is an equidigital number, since it uses as much as digits as its factorization.

12400454351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 12400454351 its reverse (15345400421), we get a palindrome (27745854772).

The spelling of 12400454351 in words is "twelve billion, four hundred million, four hundred fifty-four thousand, three hundred fifty-one".