121210122010210 has 32 divisors (see below), whose sum is σ = 220304160760320. Its totient is φ = 48011650371648.

The previous prime is 121210122010189. The next prime is 121210122010213. The reversal of 121210122010210 is 12010221012121.

It is not an unprimeable number, because it can be changed into a prime (121210122010213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27608839 + ... + 31696501.

It is an arithmetic number, because the mean of its divisors is an integer number (6884505023760).

Almost surely, 2^{121210122010210} is an apocalyptic number.

121210122010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210122010210 is a deficient number, since it is larger than the sum of its proper divisors (99094038750110).

121210122010210 is a wasteful number, since it uses less digits than its factorization.

121210122010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116562.

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

Adding to 121210122010210 its reverse (12010221012121), we get a palindrome (133220343022331).

The spelling of 121210122010210 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty-two million, ten thousand, two hundred ten".