2021134312 has 16 divisors (see below), whose sum is σ = 3790118340. Its totient is φ = 1010436096.

The previous prime is 2021134309. The next prime is 2021134321. The reversal of 2021134312 is 2134311202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1964794276 + 56340036 = 44326^2 + 7506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021134312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89128 + ... + 109480.

Almost surely, 2^2021134312 is an apocalyptic number.

It is an amenable number.

2021134312 is a deficient number, since it is larger than the sum of its proper divisors (1768984028).

2021134312 is a wasteful number, since it uses less digits than its factorization.

2021134312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32772 (or 32768 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2021134312 is about 44957.0273928337. The cubic root of 2021134312 is about 1264.3434363606.

Adding to 2021134312 its reverse (2134311202), we get a palindrome (4155445514).

The spelling of 2021134312 in words is "two billion, twenty-one million, one hundred thirty-four thousand, three hundred twelve".