12020100020212 has 12 divisors (see below), whose sum is σ = 21432065130756. Its totient is φ = 5896652840000.

The previous prime is 12020100020191. The next prime is 12020100020273. The reversal of 12020100020212 is 21202000102021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10530323542116 + 1489776478096 = 3245046^2 + 1220564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12020100020192 and 12020100020201.

It is a congruent number.

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, 28349292289 + ... + 28349292712.

It is an arithmetic number, because the mean of its divisors is an integer number (1786005427563).

Almost surely, 2^{12020100020212} is an apocalyptic number.

It is an amenable number.

12020100020212 is a deficient number, since it is larger than the sum of its proper divisors (9411965110544).

12020100020212 is a wasteful number, since it uses less digits than its factorization.

12020100020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56698585058 (or 56698585056 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020100020212 its reverse (21202000102021), we get a palindrome (33222100122233).

The spelling of 12020100020212 in words is "twelve trillion, twenty billion, one hundred million, twenty thousand, two hundred twelve".