12222212320210 has 32 divisors (see below), whose sum is σ = 22136119229952. Its totient is φ = 4858635415680.

The previous prime is 12222212320193. The next prime is 12222212320223. The reversal of 12222212320210 is 1202321222221.

It is a happy number.

It is a super-2 number, since 2×12222212320210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32348607 + ... + 32724253.

It is an arithmetic number, because the mean of its divisors is an integer number (691753725936).

Almost surely, 2^{12222212320210} is an apocalyptic number.

12222212320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222212320210 is a deficient number, since it is larger than the sum of its proper divisors (9913906909742).

12222212320210 is a wasteful number, since it uses less digits than its factorization.

12222212320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395778.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12222212320210 its reverse (1202321222221), we get a palindrome (13424533542431).

The spelling of 12222212320210 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, three hundred twenty thousand, two hundred ten".