13111211231210 has 16 divisors (see below), whose sum is σ = 23600298693600. Its totient is φ = 5244458164176.

The previous prime is 13111211231159. The next prime is 13111211231231. The reversal of 13111211231210 is 1213211211131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132040 + ... + 5244419.

It is an arithmetic number, because the mean of its divisors is an integer number (1475018668350).

Almost surely, 2^{13111211231210} is an apocalyptic number.

13111211231210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111211231210 is a deficient number, since it is larger than the sum of its proper divisors (10489087462390).

13111211231210 is a wasteful number, since it uses less digits than its factorization.

13111211231210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582085.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 13111211231210 its reverse (1213211211131), we get a palindrome (14324422442341).

The spelling of 13111211231210 in words is "thirteen trillion, one hundred eleven billion, two hundred eleven million, two hundred thirty-one thousand, two hundred ten".