12121200210 has 32 divisors (see below), whose sum is σ = 33246721152. Its totient is φ = 2770560000.

The previous prime is 12121200197. The next prime is 12121200227. The reversal of 12121200210 is 1200212121.

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, 28859791 + ... + 28860210.

It is an arithmetic number, because the mean of its divisors is an integer number (1038960036).

Almost surely, 2^12121200210 is an apocalyptic number.

12121200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121200210 is an abundant number, since it is smaller than the sum of its proper divisors (21125520942).

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

12121200210 is a wasteful number, since it uses less digits than its factorization.

12121200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57720018.

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

Adding to 12121200210 its reverse (1200212121), we get a palindrome (13321412331).

The spelling of 12121200210 in words is "twelve billion, one hundred twenty-one million, two hundred thousand, two hundred ten".