12121120201210 has 64 divisors (see below), whose sum is σ = 21996196061184. Its totient is φ = 4809021235200.

The previous prime is 12121120201193. The next prime is 12121120201231. The reversal of 12121120201210 is 1210202112121.

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, 1003979734 + ... + 1003991806.

It is an arithmetic number, because the mean of its divisors is an integer number (343690563456).

Almost surely, 2^{12121120201210} is an apocalyptic number.

12121120201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121120201210 is a deficient number, since it is larger than the sum of its proper divisors (9875075859974).

12121120201210 is a wasteful number, since it uses less digits than its factorization.

12121120201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13759.

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

Adding to 12121120201210 its reverse (1210202112121), we get a palindrome (13331322313331).

The spelling of 12121120201210 in words is "twelve trillion, one hundred twenty-one billion, one hundred twenty million, two hundred one thousand, two hundred ten".