12221324421104 has 20 divisors (see below), whose sum is σ = 23679263247864. Its totient is φ = 6110546808768.

The previous prime is 12221324421083. The next prime is 12221324421121. The reversal of 12221324421104 is 40112442312221.

It is a congruent number.

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, 6335687 + ... + 8036390.

Almost surely, 2^{12221324421104} is an apocalyptic number.

It is an amenable number.

12221324421104 is a deficient number, since it is larger than the sum of its proper divisors (11457938826760).

12221324421104 is a wasteful number, since it uses less digits than its factorization.

12221324421104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14425232 (or 14425226 counting only the distinct ones).

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

Adding to 12221324421104 its reverse (40112442312221), we get a palindrome (52333766733325).

The spelling of 12221324421104 in words is "twelve trillion, two hundred twenty-one billion, three hundred twenty-four million, four hundred twenty-one thousand, one hundred four".