12002212210 has 16 divisors (see below), whose sum is σ = 21621755736. Its totient is φ = 4796935168.

The previous prime is 12002212169. The next prime is 12002212231. The reversal of 12002212210 is 1221220021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10705420089 + 1296792121 = 103467^2 + 36011^2 .

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, 480937 + ... + 505276.

Almost surely, 2^12002212210 is an apocalyptic number.

12002212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002212210 is a deficient number, since it is larger than the sum of its proper divisors (9619543526).

12002212210 is a wasteful number, since it uses less digits than its factorization.

12002212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987437.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12002212210 its reverse (1221220021), we get a palindrome (13223432231).

The spelling of 12002212210 in words is "twelve billion, two million, two hundred twelve thousand, two hundred ten".