2126012404 has 6 divisors (see below), whose sum is σ = 3720521714. Its totient is φ = 1063006200.

The previous prime is 2126012389. The next prime is 2126012411. The reversal of 2126012404 is 4042106212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1751589904 + 374422500 = 41852^2 + 19350^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265751547 + ... + 265751554.

Almost surely, 2^2126012404 is an apocalyptic number.

It is an amenable number.

2126012404 is a deficient number, since it is larger than the sum of its proper divisors (1594509310).

2126012404 is a wasteful number, since it uses less digits than its factorization.

2126012404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531503105 (or 531503103 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2126012404 is about 46108.7020420224. The cubic root of 2126012404 is about 1285.8449335621.

Adding to 2126012404 its reverse (4042106212), we get a palindrome (6168118616).

The spelling of 2126012404 in words is "two billion, one hundred twenty-six million, twelve thousand, four hundred four".