20112012121330 has 32 divisors (see below), whose sum is σ = 36267849427824. Its totient is φ = 8030088589056.

The previous prime is 20112012121321. The next prime is 20112012121337. The reversal of 20112012121330 is 3312121021102.

It can be written as a sum of positive squares in 8 ways, for example, as 2360005685361 + 17752006435969 = 1536231^2 + 4213313^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20112012121298 and 20112012121307.

It is not an unprimeable number, because it can be changed into a prime (20112012121337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271405764 + ... + 271479856.

Almost surely, 2^{20112012121330} is an apocalyptic number.

20112012121330 is a deficient number, since it is larger than the sum of its proper divisors (16155837306494).

20112012121330 is a wasteful number, since it uses less digits than its factorization.

20112012121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123390.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20112012121330 its reverse (3312121021102), we get a palindrome (23424133142432).

The spelling of 20112012121330 in words is "twenty trillion, one hundred twelve billion, twelve million, one hundred twenty-one thousand, three hundred thirty".