12211212100004 has 24 divisors (see below), whose sum is σ = 21493012412928. Its totient is φ = 6070385662560.

The previous prime is 12211212099997. The next prime is 12211212100039. The reversal of 12211212100004 is 40000121211221.

It is a super-2 number, since 2×12211212100004² (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 7 ways as a sum of consecutive naturals, for example, 2854079 + ... + 5706854.

It is an arithmetic number, because the mean of its divisors is an integer number (895542183872).

Almost surely, 2^{12211212100004} is an apocalyptic number.

It is an amenable number.

12211212100004 is a deficient number, since it is larger than the sum of its proper divisors (9281800312924).

12211212100004 is a wasteful number, since it uses less digits than its factorization.

12211212100004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8562995 (or 8562993 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12211212100004 its reverse (40000121211221), we get a palindrome (52211333311225).

The spelling of 12211212100004 in words is "twelve trillion, two hundred eleven billion, two hundred twelve million, one hundred thousand, four".