11212420012 has 24 divisors (see below), whose sum is σ = 19693978304. Its totient is φ = 5585594112.

The previous prime is 11212420001. The next prime is 11212420033. The reversal of 11212420012 is 21002421211.

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, 3081058 + ... + 3084694.

Almost surely, 2^11212420012 is an apocalyptic number.

It is an amenable number.

11212420012 is a deficient number, since it is larger than the sum of its proper divisors (8481558292).

11212420012 is a wasteful number, since it uses less digits than its factorization.

11212420012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265 (or 6263 counting only the distinct ones).

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

Adding to 11212420012 its reverse (21002421211), we get a palindrome (32214841223).

The spelling of 11212420012 in words is "eleven billion, two hundred twelve million, four hundred twenty thousand, twelve".