12231362052 has 288 divisors, whose sum is σ = 39137606144. Its totient is φ = 3135283200.

The previous prime is 12231362051. The next prime is 12231362057. The reversal of 12231362052 is 25026313221.

It is a happy number.

12231362052 is a `hidden beast` number, since 1 + 2 + 2 + 31 + 3 + 620 + 5 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (12231362051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19383777 + ... + 19384407.

Almost surely, 2^12231362052 is an apocalyptic number.

12231362052 is a gapful number since it is divisible by the number (12) 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 12231362052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19568803072).

12231362052 is an abundant number, since it is smaller than the sum of its proper divisors (26906244092).

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

12231362052 is a wasteful number, since it uses less digits than its factorization.

12231362052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 12231362052 its reverse (25026313221), we get a palindrome (37257675273).

The spelling of 12231362052 in words is "twelve billion, two hundred thirty-one million, three hundred sixty-two thousand, fifty-two".