2021042312 has 64 divisors (see below), whose sum is σ = 4097544000. Its totient is φ = 931440384.

The previous prime is 2021042291. The next prime is 2021042339. The reversal of 2021042312 is 2132401202.

It is a super-2 number, since 2×2021042312² = 8169224053788610688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2437514 + ... + 2438342.

It is an arithmetic number, because the mean of its divisors is an integer number (64024125).

Almost surely, 2^2021042312 is an apocalyptic number.

It is an amenable number.

2021042312 is an abundant number, since it is smaller than the sum of its proper divisors (2076501688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021042312 is a wasteful number, since it uses less digits than its factorization.

2021042312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2021042312 is about 44956.0041818665. The cubic root of 2021042312 is about 1264.3242521892.

Adding to 2021042312 its reverse (2132401202), we get a palindrome (4153443514).

The spelling of 2021042312 in words is "two billion, twenty-one million, forty-two thousand, three hundred twelve".