13222212300 has 216 divisors, whose sum is σ = 45630464880. Its totient is φ = 3175718400.

The previous prime is 13222212277. The next prime is 13222212317. The reversal of 13222212300 is 321222231.

13222212300 is a `hidden beast` number, since 132 + 22 + 212 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1072974 + ... + 1085226.

Almost surely, 2^13222212300 is an apocalyptic number.

13222212300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13222212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22815232440).

13222212300 is an abundant number, since it is smaller than the sum of its proper divisors (32408252580).

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

13222212300 is a wasteful number, since it uses less digits than its factorization.

13222212300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12393 (or 12383 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13222212300 its reverse (321222231), we get a palindrome (13543434531).

It can be divided in two parts, 13222 and 212300, that added together give a palindrome (225522).

The spelling of 13222212300 in words is "thirteen billion, two hundred twenty-two million, two hundred twelve thousand, three hundred".