12321031210 has 32 divisors (see below), whose sum is σ = 22394413440. Its totient is φ = 4880511552.

The previous prime is 12321031201. The next prime is 12321031223. The reversal of 12321031210 is 1213012321.

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, 435517 + ... + 462943.

It is an arithmetic number, because the mean of its divisors is an integer number (699825420).

Almost surely, 2^12321031210 is an apocalyptic number.

12321031210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321031210 is a deficient number, since it is larger than the sum of its proper divisors (10073382230).

12321031210 is a wasteful number, since it uses less digits than its factorization.

12321031210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27870.

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

Adding to 12321031210 its reverse (1213012321), we get a palindrome (13534043531).

The spelling of 12321031210 in words is "twelve billion, three hundred twenty-one million, thirty-one thousand, two hundred ten".