12158310332 has 12 divisors (see below), whose sum is σ = 24316620720. Its totient is φ = 5210704416.

The previous prime is 12158310331. The next prime is 12158310379. The reversal of 12158310332 is 23301385121.

12158310332 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12158310295 and 12158310304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12158310331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217112657 + ... + 217112712.

It is an arithmetic number, because the mean of its divisors is an integer number (2026385060).

Almost surely, 2^12158310332 is an apocalyptic number.

It is an amenable number.

12158310332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12158310332 is a wasteful number, since it uses less digits than its factorization.

12158310332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434225380 (or 434225378 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 12158310332 its reverse (23301385121), we get a palindrome (35459695453).

The spelling of 12158310332 in words is "twelve billion, one hundred fifty-eight million, three hundred ten thousand, three hundred thirty-two".