13011230412 has 72 divisors (see below), whose sum is σ = 34126974336. Its totient is φ = 4176313344.

The previous prime is 13011230359. The next prime is 13011230413. The reversal of 13011230412 is 21403211031.

13011230412 is a `hidden beast` number, since 13 + 0 + 11 + 230 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13011230413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78853 + ... + 179555.

Almost surely, 2^13011230412 is an apocalyptic number.

13011230412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13011230412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17063487168).

13011230412 is an abundant number, since it is smaller than the sum of its proper divisors (21115743924).

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

13011230412 is a wasteful number, since it uses less digits than its factorization.

13011230412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100847 (or 100842 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13011230412 its reverse (21403211031), we get a palindrome (34414441443).

The spelling of 13011230412 in words is "thirteen billion, eleven million, two hundred thirty thousand, four hundred twelve".