12207006720 has 352 divisors, whose sum is σ = 43684617600. Its totient is φ = 3232530432.

The previous prime is 12207006671. The next prime is 12207006733. The reversal of 12207006720 is 2760070221.

It is a super-2 number, since 2×12207006720² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31380286 + ... + 31380674.

Almost surely, 2^12207006720 is an apocalyptic number.

12207006720 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 12207006720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21842308800).

12207006720 is an abundant number, since it is smaller than the sum of its proper divisors (31477610880).

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

12207006720 is a wasteful number, since it uses less digits than its factorization.

12207006720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

Adding to 12207006720 its reverse (2760070221), we get a palindrome (14967076941).

The spelling of 12207006720 in words is "twelve billion, two hundred seven million, six thousand, seven hundred twenty".