12217201412 has 24 divisors (see below), whose sum is σ = 23032496256. Its totient is φ = 5636805408.

The previous prime is 12217201397. The next prime is 12217201429. The reversal of 12217201412 is 21410271221.

It is a super-3 number, since 3×12217201412³ (a number of 31 digits) contains 333 as substring.

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, 122213 + ... + 198419.

It is an arithmetic number, because the mean of its divisors is an integer number (959687344).

Almost surely, 2^12217201412 is an apocalyptic number.

It is an amenable number.

12217201412 is a deficient number, since it is larger than the sum of its proper divisors (10815294844).

12217201412 is a wasteful number, since it uses less digits than its factorization.

12217201412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79307 (or 79305 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 12217201412 its reverse (21410271221), we get a palindrome (33627472633).

The spelling of 12217201412 in words is "twelve billion, two hundred seventeen million, two hundred one thousand, four hundred twelve".