12226565340 has 72 divisors (see below), whose sum is σ = 40458822768. Its totient is φ = 2964015360.

The previous prime is 12226565279. The next prime is 12226565363. The reversal of 12226565340 is 4356562221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12226565295 and 12226565304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3085537 + ... + 3089496.

It is an arithmetic number, because the mean of its divisors is an integer number (561928094).

Almost surely, 2^12226565340 is an apocalyptic number.

12226565340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12226565340 is an abundant number, since it is smaller than the sum of its proper divisors (28232257428).

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

12226565340 is a wasteful number, since it uses less digits than its factorization.

12226565340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6175059 (or 6175054 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 12226565340 in words is "twelve billion, two hundred twenty-six million, five hundred sixty-five thousand, three hundred forty".