12401432535 has 16 divisors (see below), whose sum is σ = 19852295904. Its totient is φ = 6610762752.

The previous prime is 12401432509. The next prime is 12401432543. The reversal of 12401432535 is 53523410421.

It is not a de Polignac number, because 12401432535 - 2⁵ = 12401432503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177522 + ... + 237311.

It is an arithmetic number, because the mean of its divisors is an integer number (1240768494).

Almost surely, 2^12401432535 is an apocalyptic number.

12401432535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12401432535 is a deficient number, since it is larger than the sum of its proper divisors (7450863369).

12401432535 is a wasteful number, since it uses less digits than its factorization.

12401432535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416834.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 12401432535 its reverse (53523410421), we get a palindrome (65924842956).

The spelling of 12401432535 in words is "twelve billion, four hundred one million, four hundred thirty-two thousand, five hundred thirty-five".