12206021760 has 512 divisors, whose sum is σ = 47051539200. Its totient is φ = 2978021376.

The previous prime is 12206021719. The next prime is 12206021761. The reversal of 12206021760 is 6712060221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12206021761) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10868559 + ... + 10869681.

Almost surely, 2^12206021760 is an apocalyptic number.

12206021760 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 12206021760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23525769600).

12206021760 is an abundant number, since it is smaller than the sum of its proper divisors (34845517440).

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

12206021760 is a wasteful number, since it uses less digits than its factorization.

12206021760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 12206021760 its reverse (6712060221), we get a palindrome (18918081981).

The spelling of 12206021760 in words is "twelve billion, two hundred six million, twenty-one thousand, seven hundred sixty".