13224235812 has 24 divisors (see below), whose sum is σ = 31851923712. Its totient is φ = 4265882400.

The previous prime is 13224235763. The next prime is 13224235813. The reversal of 13224235812 is 21853242231.

It is a super-2 number, since 2×13224235812² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13224235813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17774139 + ... + 17774882.

It is an arithmetic number, because the mean of its divisors is an integer number (1327163488).

Almost surely, 2^13224235812 is an apocalyptic number.

13224235812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13224235812 is an abundant number, since it is smaller than the sum of its proper divisors (18627687900).

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

13224235812 is a wasteful number, since it uses less digits than its factorization.

13224235812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35549059 (or 35549057 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The spelling of 13224235812 in words is "thirteen billion, two hundred twenty-four million, two hundred thirty-five thousand, eight hundred twelve".