12738512435 has 8 divisors (see below), whose sum is σ = 16675870896. Its totient is φ = 9264372640.

The previous prime is 12738512431. The next prime is 12738512459. The reversal of 12738512435 is 53421583721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12738512435 - 2² = 12738512431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12738512392 and 12738512401.

It is not an unprimeable number, because it can be changed into a prime (12738512431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115804604 + ... + 115804713.

It is an arithmetic number, because the mean of its divisors is an integer number (2084483862).

Almost surely, 2^12738512435 is an apocalyptic number.

12738512435 is a deficient number, since it is larger than the sum of its proper divisors (3937358461).

12738512435 is a wasteful number, since it uses less digits than its factorization.

12738512435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231609333.

The product of its digits is 201600, while the sum is 41.

The spelling of 12738512435 in words is "twelve billion, seven hundred thirty-eight million, five hundred twelve thousand, four hundred thirty-five".