2021231012 has 12 divisors (see below), whose sum is σ = 3543123276. Its totient is φ = 1008910080.

The previous prime is 2021231011. The next prime is 2021231021. The reversal of 2021231012 is 2101321202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1193287936 + 827943076 = 34544^2 + 28774^2 .

It is not an unprimeable number, because it can be changed into a prime (2021231011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423689 + ... + 428432.

It is an arithmetic number, because the mean of its divisors is an integer number (295260273).

Almost surely, 2^2021231012 is an apocalyptic number.

It is an amenable number.

2021231012 is a deficient number, since it is larger than the sum of its proper divisors (1521892264).

2021231012 is a wasteful number, since it uses less digits than its factorization.

2021231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852718 (or 852716 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2021231012 is about 44958.1028514327. The cubic root of 2021231012 is about 1264.3635999654.

Adding to 2021231012 its reverse (2101321202), we get a palindrome (4122552214).

The spelling of 2021231012 in words is "two billion, twenty-one million, two hundred thirty-one thousand, twelve".