2421220412 has 36 divisors (see below), whose sum is σ = 4674778920. Its totient is φ = 1096385472.

The previous prime is 2421220397. The next prime is 2421220421. The reversal of 2421220412 is 2140221242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2039 + ... + 69617.

It is an arithmetic number, because the mean of its divisors is an integer number (129854970).

Almost surely, 2^2421220412 is an apocalyptic number.

It is an amenable number.

2421220412 is a deficient number, since it is larger than the sum of its proper divisors (2253558508).

2421220412 is a wasteful number, since it uses less digits than its factorization.

2421220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67662 (or 67647 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2421220412 is about 49205.8981423975. The cubic root of 2421220412 is about 1342.8003389044.

Adding to 2421220412 its reverse (2140221242), we get a palindrome (4561441654).

The spelling of 2421220412 in words is "two billion, four hundred twenty-one million, two hundred twenty thousand, four hundred twelve".