12220018080004 has 96 divisors (see below), whose sum is σ = 26221148513280. Its totient is φ = 4866153522048.

The previous prime is 12220018079987. The next prime is 12220018080029. The reversal of 12220018080004 is 40008081002221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80085007 + ... + 80237449.

It is an arithmetic number, because the mean of its divisors is an integer number (273136963680).

Almost surely, 2^{12220018080004} is an apocalyptic number.

12220018080004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220018080004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13110574256640).

12220018080004 is an abundant number, since it is smaller than the sum of its proper divisors (14001130433276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220018080004 is a wasteful number, since it uses less digits than its factorization.

12220018080004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155369 (or 155367 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

Adding to 12220018080004 its reverse (40008081002221), we get a palindrome (52228099082225).

The spelling of 12220018080004 in words is "twelve trillion, two hundred twenty billion, eighteen million, eighty thousand, four".