121200011210210 has 64 divisors (see below), whose sum is σ = 232064963919360. Its totient is φ = 45416580464640.

The previous prime is 121200011210141. The next prime is 121200011210219. The reversal of 121200011210210 is 12012110002121.

121200011210210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (121200011210219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165146375 + ... + 165878645.

It is an arithmetic number, because the mean of its divisors is an integer number (3626015061240).

Almost surely, 2^{121200011210210} is an apocalyptic number.

121200011210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200011210210 is a deficient number, since it is larger than the sum of its proper divisors (110864952709150).

121200011210210 is a wasteful number, since it uses less digits than its factorization.

121200011210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736811.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121200011210210 its reverse (12012110002121), we get a palindrome (133212121212331).

The spelling of 121200011210210 in words is "one hundred twenty-one trillion, two hundred billion, eleven million, two hundred ten thousand, two hundred ten".