12020021032 has 16 divisors (see below), whose sum is σ = 22539150900. Its totient is φ = 6009580800.

The previous prime is 12020021011. The next prime is 12020021047. The reversal of 12020021032 is 23012002021.

It can be written as a sum of positive squares in 2 ways, for example, as 12009091396 + 10929636 = 109586^2 + 3306^2 .

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, 86782 + ... + 177682.

Almost surely, 2^12020021032 is an apocalyptic number.

It is an amenable number.

12020021032 is a deficient number, since it is larger than the sum of its proper divisors (10519129868).

12020021032 is a wasteful number, since it uses less digits than its factorization.

12020021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107436 (or 107432 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12020021032 its reverse (23012002021), we get a palindrome (35032023053).

The spelling of 12020021032 in words is "twelve billion, twenty million, twenty-one thousand, thirty-two".