1212210002210 has 16 divisors (see below), whose sum is σ = 2182276668600. Its totient is φ = 484817630976.

The previous prime is 1212210002209. The next prime is 1212210002221. The reversal of 1212210002210 is 122000122121.

It can be written as a sum of positive squares in 4 ways, for example, as 1096877087761 + 115332914449 = 1047319^2 + 339607^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8219495 + ... + 8365674.

Almost surely, 2^{1212210002210} is an apocalyptic number.

1212210002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212210002210 is a deficient number, since it is larger than the sum of its proper divisors (970066666390).

1212210002210 is a wasteful number, since it uses less digits than its factorization.

1212210002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16592485.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212210002210 its reverse (122000122121), we get a palindrome (1334210124331).

The spelling of 1212210002210 in words is "one trillion, two hundred twelve billion, two hundred ten million, two thousand, two hundred ten".