12122001210 has 64 divisors (see below), whose sum is σ = 31832072064. Its totient is φ = 2929920000.

The previous prime is 12122001169. The next prime is 12122001223. The reversal of 12122001210 is 1210022121.

12122001210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 56710 + ... + 165710.

It is an arithmetic number, because the mean of its divisors is an integer number (497376126).

Almost surely, 2^12122001210 is an apocalyptic number.

12122001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122001210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15916036032).

12122001210 is an abundant number, since it is smaller than the sum of its proper divisors (19710070854).

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

12122001210 is a wasteful number, since it uses less digits than its factorization.

12122001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109359.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12122001210 its reverse (1210022121), we get a palindrome (13332023331).

The spelling of 12122001210 in words is "twelve billion, one hundred twenty-two million, one thousand, two hundred ten".