22011126412 has 24 divisors (see below), whose sum is σ = 42352128000. Its totient is φ = 9926274960.

The previous prime is 22011126383. The next prime is 22011126419. The reversal of 22011126412 is 21462111022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22011126419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1963912 + ... + 1975087.

It is an arithmetic number, because the mean of its divisors is an integer number (1764672000).

Almost surely, 2^22011126412 is an apocalyptic number.

22011126412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22011126412 is a deficient number, since it is larger than the sum of its proper divisors (20341001588).

22011126412 is a wasteful number, since it uses less digits than its factorization.

22011126412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939141 (or 3939139 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22011126412 its reverse (21462111022), we get a palindrome (43473237434).

The spelling of 22011126412 in words is "twenty-two billion, eleven million, one hundred twenty-six thousand, four hundred twelve".