12221120011004 has 24 divisors (see below), whose sum is σ = 22645705356288. Its totient is φ = 5750940349440.

The previous prime is 12221120011003. The next prime is 12221120011039. The reversal of 12221120011004 is 40011002112221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221120011003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468092 + ... + 4966019.

It is an arithmetic number, because the mean of its divisors is an integer number (943571056512).

Almost surely, 2^{12221120011004} is an apocalyptic number.

It is an amenable number.

12221120011004 is a deficient number, since it is larger than the sum of its proper divisors (10424585345284).

12221120011004 is a wasteful number, since it uses less digits than its factorization.

12221120011004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467205 (or 5467203 counting only the distinct ones).

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

Adding to 12221120011004 its reverse (40011002112221), we get a palindrome (52232122123225).

The spelling of 12221120011004 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, eleven thousand, four".