22103030012 has 48 divisors (see below), whose sum is σ = 46820229120. Its totient is φ = 8912877312.

The previous prime is 22103030003. The next prime is 22103030017. The reversal of 22103030012 is 21003030122.

It is a happy number.

It is a super-2 number, since 2×22103030012² (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103030017) 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 15 ways as a sum of consecutive naturals, for example, 2920289 + ... + 2927847.

It is an arithmetic number, because the mean of its divisors is an integer number (975421440).

Almost surely, 2^22103030012 is an apocalyptic number.

It is an amenable number.

22103030012 is an abundant number, since it is smaller than the sum of its proper divisors (24717199108).

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

22103030012 is a wasteful number, since it uses less digits than its factorization.

22103030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13730 (or 13728 counting only the distinct ones).

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

Adding to 22103030012 its reverse (21003030122), we get a palindrome (43106060134).

The spelling of 22103030012 in words is "twenty-two billion, one hundred three million, thirty thousand, twelve".