12223531240 has 32 divisors (see below), whose sum is σ = 28698727680. Its totient is φ = 4676828992.

The previous prime is 12223531211. The next prime is 12223531241. The reversal of 12223531240 is 4213532221.

It is not an unprimeable number, because it can be changed into a prime (12223531241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6642304 + ... + 6644143.

It is an arithmetic number, because the mean of its divisors is an integer number (896835240).

Almost surely, 2^12223531240 is an apocalyptic number.

12223531240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223531240 is an abundant number, since it is smaller than the sum of its proper divisors (16475196440).

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

12223531240 is a wasteful number, since it uses less digits than its factorization.

12223531240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13286481 (or 13286477 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 12223531240 in words is "twelve billion, two hundred twenty-three million, five hundred thirty-one thousand, two hundred forty".