12012012412 has 24 divisors (see below), whose sum is σ = 21072885120. Its totient is φ = 5991209280.

The previous prime is 12012012409. The next prime is 12012012421. The reversal of 12012012412 is 21421021021.

It is a congruent number.

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, 3574389 + ... + 3577747.

It is an arithmetic number, because the mean of its divisors is an integer number (878036880).

Almost surely, 2^12012012412 is an apocalyptic number.

It is an amenable number.

12012012412 is a deficient number, since it is larger than the sum of its proper divisors (9060872708).

12012012412 is a wasteful number, since it uses less digits than its factorization.

12012012412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301 (or 5299 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12012012412 its reverse (21421021021), we get a palindrome (33433033433).

The spelling of 12012012412 in words is "twelve billion, twelve million, twelve thousand, four hundred twelve".