12121120010 has 16 divisors (see below), whose sum is σ = 21819346272. Its totient is φ = 4848152400.

The previous prime is 12121120009. The next prime is 12121120127. The reversal of 12121120010 is 1002112121.

12121120010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12121119973 and 12121120000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221045 + ... + 270375.

It is an arithmetic number, because the mean of its divisors is an integer number (1363709142).

Almost surely, 2^12121120010 is an apocalyptic number.

12121120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121120010 is a deficient number, since it is larger than the sum of its proper divisors (9698226262).

12121120010 is a wasteful number, since it uses less digits than its factorization.

12121120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73909.

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

Adding to 12121120010 its reverse (1002112121), we get a palindrome (13123232131).

The spelling of 12121120010 in words is "twelve billion, one hundred twenty-one million, one hundred twenty thousand, ten".