1212210212210 has 16 divisors (see below), whose sum is σ = 2182128187392. Its totient is φ = 484850794800.

The previous prime is 1212210212189. The next prime is 1212210212231. The reversal of 1212210212210 is 122120122121.

It is an interprime number because it is at equal distance from previous prime (1212210212189) and next prime (1212210212231).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4008056 + ... + 4299875.

It is an arithmetic number, because the mean of its divisors is an integer number (136383011712).

Almost surely, 2^{1212210212210} is an apocalyptic number.

1212210212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212210212210 is a deficient number, since it is larger than the sum of its proper divisors (969917975182).

1212210212210 is a wasteful number, since it uses less digits than its factorization.

1212210212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8322529.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212210212210 its reverse (122120122121), we get a palindrome (1334330334331).

The spelling of 1212210212210 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred twelve thousand, two hundred ten".