12011012 has 24 divisors (see below), whose sum is σ = 23369472. Its totient is φ = 5364000.

The previous prime is 12011009. The next prime is 12011029. The reversal of 12011012 is 21011021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114 + ... + 5337.

It is an arithmetic number, because the mean of its divisors is an integer number (973728).

Almost surely, 2^12011012 is an apocalyptic number.

It is an amenable number.

12011012 is a deficient number, since it is larger than the sum of its proper divisors (11358460).

12011012 is a wasteful number, since it uses less digits than its factorization.

12011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 12011012 is about 3465.6906959508. The cubic root of 12011012 is about 229.0128581734.

Adding to 12011012 its reverse (21011021), we get a palindrome (33022033).

Subtracting 12011012 from its reverse (21011021), we obtain a palindrome (9000009).

The spelling of 12011012 in words is "twelve million, eleven thousand, twelve".