12122222233210 has 16 divisors (see below), whose sum is σ = 21820079231496. Its totient is φ = 4848871290688.

The previous prime is 12122222233193. The next prime is 12122222233243. The reversal of 12122222233210 is 1233222222121.

It can be written as a sum of positive squares in 4 ways, for example, as 8042618074401 + 4079604158809 = 2835951^2 + 2019803^2 .

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, 900084 + ... + 5005456.

Almost surely, 2^{12122222233210} is an apocalyptic number.

12122222233210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122222233210 is a deficient number, since it is larger than the sum of its proper divisors (9697856998286).

12122222233210 is a wasteful number, since it uses less digits than its factorization.

12122222233210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400657.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12122222233210 its reverse (1233222222121), we get a palindrome (13355444455331).

The spelling of 12122222233210 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred thirty-three thousand, two hundred ten".