22123331123112 has 24 divisors (see below), whose sum is σ = 59917355125290. Its totient is φ = 7374443707680.

The previous prime is 22123331123053. The next prime is 22123331123291. The reversal of 22123331123112 is 21132113332122.

22123331123112 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 3 + 331 + 12 + 311 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19968618327876 + 2154712795236 = 4468626^2 + 1467894^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153634243839 + ... + 153634243982.

Almost surely, 2^{22123331123112} is an apocalyptic number.

It is an amenable number.

22123331123112 is an abundant number, since it is smaller than the sum of its proper divisors (37794024002178).

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

22123331123112 is a wasteful number, since it uses less digits than its factorization.

22123331123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307268487833 (or 307268487826 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 22123331123112 its reverse (21132113332122), we get a palindrome (43255444455234).

The spelling of 22123331123112 in words is "twenty-two trillion, one hundred twenty-three billion, three hundred thirty-one million, one hundred twenty-three thousand, one hundred twelve".