22110212012 has 48 divisors (see below), whose sum is σ = 45178900032. Its totient is φ = 9272033280.

The previous prime is 22110211999. The next prime is 22110212071. The reversal of 22110212012 is 21021201122.

It is a super-2 number, since 2×22110212012² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296108 + ... + 363180.

It is an arithmetic number, because the mean of its divisors is an integer number (941227084).

Almost surely, 2^22110212012 is an apocalyptic number.

It is an amenable number.

22110212012 is an abundant number, since it is smaller than the sum of its proper divisors (23068688020).

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

22110212012 is a wasteful number, since it uses less digits than its factorization.

22110212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67338 (or 67336 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22110212012 its reverse (21021201122), we get a palindrome (43131413134).

The spelling of 22110212012 in words is "twenty-two billion, one hundred ten million, two hundred twelve thousand, twelve".