23212012 has 6 divisors (see below), whose sum is σ = 40621028. Its totient is φ = 11606004.

The previous prime is 23212009. The next prime is 23212051. The reversal of 23212012 is 21021232.

It is a junction number, because it is equal to n+sod(n) for n = 23211983 and 23212001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2901498 + ... + 2901505.

Almost surely, 2^23212012 is an apocalyptic number.

It is an amenable number.

23212012 is a deficient number, since it is larger than the sum of its proper divisors (17409016).

23212012 is a wasteful number, since it uses less digits than its factorization.

23212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803007 (or 5803005 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 23212012 is about 4817.8845980368. The cubic root of 23212012 is about 285.2578440112.

Adding to 23212012 its reverse (21021232), we get a palindrome (44233244).

The spelling of 23212012 in words is "twenty-three million, two hundred twelve thousand, twelve".