1004220412 has 48 divisors (see below), whose sum is σ = 1933499232. Its totient is φ = 453565440.

The previous prime is 1004220407. The next prime is 1004220419. The reversal of 1004220412 is 2140224001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004220419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519087 + ... + 521017.

It is an arithmetic number, because the mean of its divisors is an integer number (40281234).

Almost surely, 2^1004220412 is an apocalyptic number.

It is an amenable number.

1004220412 is a deficient number, since it is larger than the sum of its proper divisors (929278820).

1004220412 is a wasteful number, since it uses less digits than its factorization.

1004220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 2156 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1004220412 is about 31689.4369151615. The cubic root of 1004220412 is about 1001.4048295298.

Adding to 1004220412 its reverse (2140224001), we get a palindrome (3144444413).

The spelling of 1004220412 in words is "one billion, four million, two hundred twenty thousand, four hundred twelve".