12121310010 has 16 divisors (see below), whose sum is σ = 29091144096. Its totient is φ = 3232349328.

The previous prime is 12121309979. The next prime is 12121310041. The reversal of 12121310010 is 1001312121.

12121310010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12121309979) and next prime (12121310041).

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, 202021804 + ... + 202021863.

It is an arithmetic number, because the mean of its divisors is an integer number (1818196506).

Almost surely, 2^12121310010 is an apocalyptic number.

12121310010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121310010 is an abundant number, since it is smaller than the sum of its proper divisors (16969834086).

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

12121310010 is a wasteful number, since it uses less digits than its factorization.

12121310010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404043677.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12121310010 its reverse (1001312121), we get a palindrome (13122622131).

The spelling of 12121310010 in words is "twelve billion, one hundred twenty-one million, three hundred ten thousand, ten".