12121120210010 has 16 divisors (see below), whose sum is σ = 24934875860736. Its totient is φ = 4155812643408.

The previous prime is 12121120209967. The next prime is 12121120210027. The reversal of 12121120210010 is 1001202112121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86579430002 + ... + 86579430141.

It is an arithmetic number, because the mean of its divisors is an integer number (1558429741296).

Almost surely, 2^{12121120210010} is an apocalyptic number.

12121120210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121120210010 is an abundant number, since it is smaller than the sum of its proper divisors (12813755650726).

12121120210010 is a wasteful number, since it uses less digits than its factorization.

12121120210010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173158860157.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12121120210010 its reverse (1001202112121), we get a palindrome (13122322322131).

The spelling of 12121120210010 in words is "twelve trillion, one hundred twenty-one billion, one hundred twenty million, two hundred ten thousand, ten".