12221341042412 has 12 divisors (see below), whose sum is σ = 21387382665600. Its totient is φ = 6110660280816.

The previous prime is 12221341042373. The next prime is 12221341042429. The reversal of 12221341042412 is 21424014312221.

It is a super-2 number, since 2×12221341042412² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543098 + ... + 4973694.

It is an arithmetic number, because the mean of its divisors is an integer number (1782281888800).

Almost surely, 2^{12221341042412} is an apocalyptic number.

It is an amenable number.

12221341042412 is a deficient number, since it is larger than the sum of its proper divisors (9166041623188).

12221341042412 is a wasteful number, since it uses less digits than its factorization.

12221341042412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120200 (or 5120198 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 12221341042412 its reverse (21424014312221), we get a palindrome (33645355354633).

The spelling of 12221341042412 in words is "twelve trillion, two hundred twenty-one billion, three hundred forty-one million, forty-two thousand, four hundred twelve".