13211142112 has 48 divisors (see below), whose sum is σ = 29732814720. Its totient is φ = 5660443008.

The previous prime is 13211142089. The next prime is 13211142137. The reversal of 13211142112 is 21124111231.

It is a self number, because there is not a number n which added to its sum of digits gives 13211142112.

It is a congruent number.

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, 1666863 + ... + 1674769.

It is an arithmetic number, because the mean of its divisors is an integer number (619433640).

Almost surely, 2^13211142112 is an apocalyptic number.

It is an amenable number.

13211142112 is an abundant number, since it is smaller than the sum of its proper divisors (16521672608).

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

13211142112 is an equidigital number, since it uses as much as digits as its factorization.

13211142112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15383 (or 15375 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

Adding to 13211142112 its reverse (21124111231), we get a palindrome (34335253343).

It can be divided in two parts, 132 and 11142112, that added together give a square (11142244 = 3338²).

The spelling of 13211142112 in words is "thirteen billion, two hundred eleven million, one hundred forty-two thousand, one hundred twelve".