22013003012 has 48 divisors (see below), whose sum is σ = 51722869632. Its totient is φ = 7916762880.

The previous prime is 22013002937. The next prime is 22013003017. The reversal of 22013003012 is 21030031022.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (22013003017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2744873 + ... + 2752880.

It is an arithmetic number, because the mean of its divisors is an integer number (1077559784).

Almost surely, 2^22013003012 is an apocalyptic number.

22013003012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22013003012 is an abundant number, since it is smaller than the sum of its proper divisors (29709866620).

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

22013003012 is a wasteful number, since it uses less digits than its factorization.

22013003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497788 (or 5497786 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 22013003012 its reverse (21030031022), we get a palindrome (43043034034).

The spelling of 22013003012 in words is "twenty-two billion, thirteen million, three thousand, twelve".