12210121101010 has 32 divisors (see below), whose sum is σ = 25187929931520. Its totient is φ = 4174666147392.

The previous prime is 12210121101007. The next prime is 12210121101023. The reversal of 12210121101010 is 1010112101221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242914009 + ... + 242964268.

It is an arithmetic number, because the mean of its divisors is an integer number (787122810360).

Almost surely, 2^{12210121101010} is an apocalyptic number.

12210121101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210121101010 is an abundant number, since it is smaller than the sum of its proper divisors (12977808830510).

12210121101010 is a wasteful number, since it uses less digits than its factorization.

12210121101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485878650.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12210121101010 its reverse (1010112101221), we get a palindrome (13220233202231).

The spelling of 12210121101010 in words is "twelve trillion, two hundred ten billion, one hundred twenty-one million, one hundred one thousand, ten".