12121010001210 has 64 divisors (see below), whose sum is σ = 31761610047360. Its totient is φ = 2935963514880.

The previous prime is 12121010001187. The next prime is 12121010001229. The reversal of 12121010001210 is 1210001012121.

12121010001210 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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15000415 + ... + 15787794.

It is an arithmetic number, because the mean of its divisors is an integer number (496275156990).

Almost surely, 2^{12121010001210} is an apocalyptic number.

12121010001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121010001210 is an abundant number, since it is smaller than the sum of its proper divisors (19640600046150).

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

12121010001210 is a wasteful number, since it uses less digits than its factorization.

12121010001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30789423.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12121010001210 its reverse (1210001012121), we get a palindrome (13331011013331).

The spelling of 12121010001210 in words is "twelve trillion, one hundred twenty-one billion, ten million, one thousand, two hundred ten".