12013012 has 48 divisors (see below), whose sum is σ = 24208128. Its totient is φ = 5166720.

The previous prime is 12013009. The next prime is 12013013. The reversal of 12013012 is 21031021.

It is a self number, because there is not a number n which added to its sum of digits gives 12013012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013013) 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, 76438 + ... + 76594.

It is an arithmetic number, because the mean of its divisors is an integer number (504336).

Almost surely, 2^12013012 is an apocalyptic number.

It is an amenable number.

12013012 is an abundant number, since it is smaller than the sum of its proper divisors (12195116).

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

12013012 is a wasteful number, since it uses less digits than its factorization.

12013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12013012 is about 3465.9792267121. The cubic root of 12013012 is about 229.0255687398.

Adding to 12013012 its reverse (21031021), we get a palindrome (33044033).

Subtracting 12013012 from its reverse (21031021), we obtain a square (9018009 = 3003²).

The spelling of 12013012 in words is "twelve million, thirteen thousand, twelve".