2021132012 has 24 divisors (see below), whose sum is σ = 3589046496. Its totient is φ = 995794688.

The previous prime is 2021131999. The next prime is 2021132041. The reversal of 2021132012 is 2102311202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65273 + ... + 91119.

It is an arithmetic number, because the mean of its divisors is an integer number (149543604).

Almost surely, 2^2021132012 is an apocalyptic number.

It is an amenable number.

2021132012 is a deficient number, since it is larger than the sum of its proper divisors (1567914484).

2021132012 is a wasteful number, since it uses less digits than its factorization.

2021132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26137 (or 26135 counting only the distinct ones).

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

The square root of 2021132012 is about 44957.0018128433. The cubic root of 2021132012 is about 1264.3429567634.

Adding to 2021132012 its reverse (2102311202), we get a palindrome (4123443214).

The spelling of 2021132012 in words is "two billion, twenty-one million, one hundred thirty-two thousand, twelve".