12191310210 has 32 divisors (see below), whose sum is σ = 29269487232. Its totient is φ = 3249866880.

The previous prime is 12191310193. The next prime is 12191310211. The reversal of 12191310210 is 1201319121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12191310211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16230 + ... + 156990.

It is an arithmetic number, because the mean of its divisors is an integer number (914671476).

Almost surely, 2^12191310210 is an apocalyptic number.

12191310210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12191310210 is an abundant number, since it is smaller than the sum of its proper divisors (17078177022).

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

12191310210 is a wasteful number, since it uses less digits than its factorization.

12191310210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143658.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 12191310210 its reverse (1201319121), we get a palindrome (13392629331).

The spelling of 12191310210 in words is "twelve billion, one hundred ninety-one million, three hundred ten thousand, two hundred ten".