12111010010 has 16 divisors (see below), whose sum is σ = 23781619872. Its totient is φ = 4404003600.

The previous prime is 12111009991. The next prime is 12111010027. The reversal of 12111010010 is 1001011121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111010010.

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, 55049936 + ... + 55050155.

It is an arithmetic number, because the mean of its divisors is an integer number (1486351242).

Almost surely, 2^12111010010 is an apocalyptic number.

12111010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111010010 is a deficient number, since it is larger than the sum of its proper divisors (11670609862).

12111010010 is a wasteful number, since it uses less digits than its factorization.

12111010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110100109.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 12111010010 its reverse (1001011121), we get a palindrome (13112021131).

The spelling of 12111010010 in words is "twelve billion, one hundred eleven million, ten thousand, ten".