12213001240 has 64 divisors (see below), whose sum is σ = 30006767520. Its totient is φ = 4436736000.

The previous prime is 12213001231. The next prime is 12213001249. The reversal of 12213001240 is 4210031221.

It is an interprime number because it is at equal distance from previous prime (12213001231) and next prime (12213001249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213001249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453760 + ... + 479920.

Almost surely, 2^12213001240 is an apocalyptic number.

12213001240 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 12213001240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15003383760).

12213001240 is an abundant number, since it is smaller than the sum of its proper divisors (17793766280).

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

12213001240 is a wasteful number, since it uses less digits than its factorization.

12213001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27244 (or 27240 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12213001240 its reverse (4210031221), we get a palindrome (16423032461).

The spelling of 12213001240 in words is "twelve billion, two hundred thirteen million, one thousand, two hundred forty".