12131023210 has 8 divisors (see below), whose sum is σ = 21835841796. Its totient is φ = 4852409280.

The previous prime is 12131023189. The next prime is 12131023279. The reversal of 12131023210 is 1232013121.

It can be written as a sum of positive squares in 2 ways, for example, as 12097580121 + 33443089 = 109989^2 + 5783^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606551151 + ... + 606551170.

Almost surely, 2^12131023210 is an apocalyptic number.

12131023210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131023210 is a deficient number, since it is larger than the sum of its proper divisors (9704818586).

12131023210 is a wasteful number, since it uses less digits than its factorization.

12131023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213102328.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12131023210 its reverse (1232013121), we get a palindrome (13363036331).

The spelling of 12131023210 in words is "twelve billion, one hundred thirty-one million, twenty-three thousand, two hundred ten".