2421311212 has 6 divisors (see below), whose sum is σ = 4237294628. Its totient is φ = 1210655604.

The previous prime is 2421311197. The next prime is 2421311213. The reversal of 2421311212 is 2121131242.

It is a self number, because there is not a number n which added to its sum of digits gives 2421311212.

It is not an unprimeable number, because it can be changed into a prime (2421311213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302663898 + ... + 302663905.

Almost surely, 2^2421311212 is an apocalyptic number.

It is an amenable number.

2421311212 is a deficient number, since it is larger than the sum of its proper divisors (1815983416).

2421311212 is a wasteful number, since it uses less digits than its factorization.

2421311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605327807 (or 605327805 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 2421311212 is about 49206.8207873665. The cubic root of 2421311212 is about 1342.8171244816.

Adding to 2421311212 its reverse (2121131242), we get a palindrome (4542442454).

The spelling of 2421311212 in words is "two billion, four hundred twenty-one million, three hundred eleven thousand, two hundred twelve".