12013326435 has 16 divisors (see below), whose sum is σ = 20968715520. Its totient is φ = 5824643040.

The previous prime is 12013326433. The next prime is 12013326449. The reversal of 12013326435 is 53462331021.

It is not a de Polignac number, because 12013326435 - 2¹ = 12013326433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12013326431) 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, 36403855 + ... + 36404184.

It is an arithmetic number, because the mean of its divisors is an integer number (1310544720).

Almost surely, 2^12013326435 is an apocalyptic number.

12013326435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12013326435 is a deficient number, since it is larger than the sum of its proper divisors (8955389085).

12013326435 is a wasteful number, since it uses less digits than its factorization.

12013326435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72808058.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 12013326435 its reverse (53462331021), we get a palindrome (65475657456).

The spelling of 12013326435 in words is "twelve billion, thirteen million, three hundred twenty-six thousand, four hundred thirty-five".