13111231212230 has 32 divisors (see below), whose sum is σ = 24368115852288. Its totient is φ = 5073939813600.

The previous prime is 13111231212223. The next prime is 13111231212257. The reversal of 13111231212230 is 3221213211131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13111231212196 and 13111231212205.

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, 4585172 + ... + 6873591.

It is an arithmetic number, because the mean of its divisors is an integer number (761503620384).

Almost surely, 2^{13111231212230} is an apocalyptic number.

13111231212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111231212230 is a deficient number, since it is larger than the sum of its proper divisors (11256884640058).

13111231212230 is a wasteful number, since it uses less digits than its factorization.

13111231212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11462492.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13111231212230 its reverse (3221213211131), we get a palindrome (16332444423361).

The spelling of 13111231212230 in words is "thirteen trillion, one hundred eleven billion, two hundred thirty-one million, two hundred twelve thousand, two hundred thirty".