12351123451 has 16 divisors (see below), whose sum is σ = 13142039040. Its totient is φ = 11574511200.

The previous prime is 12351123437. The next prime is 12351123503. The reversal of 12351123451 is 15432115321.

It is not a de Polignac number, because 12351123451 - 2¹¹ = 12351121403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12351121451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2728476 + ... + 2732998.

It is an arithmetic number, because the mean of its divisors is an integer number (821377440).

Almost surely, 2^12351123451 is an apocalyptic number.

12351123451 is a deficient number, since it is larger than the sum of its proper divisors (790915589).

12351123451 is a wasteful number, since it uses less digits than its factorization.

12351123451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066.

The product of its digits is 3600, while the sum is 28.

Adding to 12351123451 its reverse (15432115321), we get a palindrome (27783238772).

The spelling of 12351123451 in words is "twelve billion, three hundred fifty-one million, one hundred twenty-three thousand, four hundred fifty-one".