12001212110 has 16 divisors (see below), whose sum is σ = 21607981200. Its totient is φ = 4799196096.

The previous prime is 12001212089. The next prime is 12001212137. The reversal of 12001212110 is 1121210021.

It is a junction number, because it is equal to n+sod(n) for n = 12001212091 and 12001212100.

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, 121520 + ... + 196899.

It is an arithmetic number, because the mean of its divisors is an integer number (1350498825).

Almost surely, 2^12001212110 is an apocalyptic number.

12001212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001212110 is a deficient number, since it is larger than the sum of its proper divisors (9606769090).

12001212110 is a wasteful number, since it uses less digits than its factorization.

12001212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322195.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001212110 its reverse (1121210021), we get a palindrome (13122422131).

The spelling of 12001212110 in words is "twelve billion, one million, two hundred twelve thousand, one hundred ten".