12210121201210 has 8 divisors (see below), whose sum is σ = 21978218162196. Its totient is φ = 4884048480480.

The previous prime is 12210121201207. The next prime is 12210121201211. The reversal of 12210121201210 is 1210212101221.

It can be written as a sum of positive squares in 2 ways, for example, as 12191487040161 + 18634161049 = 3491631^2 + 136507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12210121201211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610506060051 + ... + 610506060070.

Almost surely, 2^{12210121201210} is an apocalyptic number.

12210121201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210121201210 is a deficient number, since it is larger than the sum of its proper divisors (9768096960986).

12210121201210 is a wasteful number, since it uses less digits than its factorization.

12210121201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221012120128.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12210121201210 its reverse (1210212101221), we get a palindrome (13420333302431).

The spelling of 12210121201210 in words is "twelve trillion, two hundred ten billion, one hundred twenty-one million, two hundred one thousand, two hundred ten".