13012320234 has 32 divisors (see below), whose sum is σ = 27562968576. Its totient is φ = 4081190400.

The previous prime is 13012320227. The next prime is 13012320253. The reversal of 13012320234 is 43202321031.

It is a self number, because there is not a number n which added to its sum of digits gives 13012320234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413319 + ... + 443685.

It is an arithmetic number, because the mean of its divisors is an integer number (861342768).

Almost surely, 2^13012320234 is an apocalyptic number.

13012320234 is an abundant number, since it is smaller than the sum of its proper divisors (14550648342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13012320234 is a wasteful number, since it uses less digits than its factorization.

13012320234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34590.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13012320234 its reverse (43202321031), we get a palindrome (56214641265).

The spelling of 13012320234 in words is "thirteen billion, twelve million, three hundred twenty thousand, two hundred thirty-four".