12150012 has 48 divisors (see below), whose sum is σ = 32721920. Its totient is φ = 3436992.

The previous prime is 12150011. The next prime is 12150029. The reversal of 12150012 is 21005121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12150012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8493 + ... + 9819.

Almost surely, 2^12150012 is an apocalyptic number.

12150012 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 12150012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16360960).

12150012 is an abundant number, since it is smaller than the sum of its proper divisors (20571908).

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

12150012 is a wasteful number, since it uses less digits than its factorization.

12150012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 12150012 is about 3485.6867329122. The cubic root of 12150012 is about 229.8929054029.

Adding to 12150012 its reverse (21005121), we get a palindrome (33155133).

The spelling of 12150012 in words is "twelve million, one hundred fifty thousand, twelve".