12131112010 has 8 divisors (see below), whose sum is σ = 21836001636. Its totient is φ = 4852444800.

The previous prime is 12131111999. The next prime is 12131112101. The reversal of 12131112010 is 1021113121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11763354681 + 367757329 = 108459^2 + 19177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606555591 + ... + 606555610.

Almost surely, 2^12131112010 is an apocalyptic number.

12131112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131112010 is a deficient number, since it is larger than the sum of its proper divisors (9704889626).

12131112010 is a wasteful number, since it uses less digits than its factorization.

12131112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213111208.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12131112010 its reverse (1021113121), we get a palindrome (13152225131).

It can be divided in two parts, 1213111 and 2010, that added together give a palindrome (1215121).

The spelling of 12131112010 in words is "twelve billion, one hundred thirty-one million, one hundred twelve thousand, ten".