12112202021004 has 120 divisors (see below), whose sum is σ = 31952758899600. Its totient is φ = 4000653296640.

The previous prime is 12112202020999. The next prime is 12112202021027. The reversal of 12112202021004 is 40012020221121.

12112202021004 is a `hidden beast` number, since 1 + 211 + 220 + 20 + 210 + 0 + 4 = 666.

12112202021004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12112202021004² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23205652 + ... + 23721860.

It is an arithmetic number, because the mean of its divisors is an integer number (266272990830).

Almost surely, 2^{12112202021004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112202021004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15976379449800).

12112202021004 is an abundant number, since it is smaller than the sum of its proper divisors (19840556878596).

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

12112202021004 is a wasteful number, since it uses less digits than its factorization.

12112202021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516885 (or 516874 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12112202021004 its reverse (40012020221121), we get a palindrome (52124222242125).

The spelling of 12112202021004 in words is "twelve trillion, one hundred twelve billion, two hundred two million, twenty-one thousand, four".