12220100012 has 12 divisors (see below), whose sum is σ = 21417532416. Its totient is φ = 6100805040.

The previous prime is 12220100003. The next prime is 12220100023. The reversal of 12220100012 is 21000102221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12220099966 and 12220100002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2308268 + ... + 2313555.

It is an arithmetic number, because the mean of its divisors is an integer number (1784794368).

Almost surely, 2^12220100012 is an apocalyptic number.

It is an amenable number.

12220100012 is a deficient number, since it is larger than the sum of its proper divisors (9197432404).

12220100012 is a wasteful number, since it uses less digits than its factorization.

12220100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622488 (or 4622486 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12220100012 its reverse (21000102221), we get a palindrome (33220202233).

The spelling of 12220100012 in words is "twelve billion, two hundred twenty million, one hundred thousand, twelve".