20122011012212 has 12 divisors (see below), whose sum is σ = 35265842484516. Its totient is φ = 10046056016640.

The previous prime is 20122011012199. The next prime is 20122011012269. The reversal of 20122011012212 is 21221011022102.

It can be written as a sum of positive squares in 2 ways, for example, as 5340415952356 + 14781595059856 = 2310934^2 + 3844684^2 .

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, 3737369339 + ... + 3737374722.

It is an arithmetic number, because the mean of its divisors is an integer number (2938820207043).

Almost surely, 2^{20122011012212} is an apocalyptic number.

It is an amenable number.

20122011012212 is a deficient number, since it is larger than the sum of its proper divisors (15143831472304).

20122011012212 is a wasteful number, since it uses less digits than its factorization.

20122011012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474744738 (or 7474744736 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20122011012212 its reverse (21221011022102), we get a palindrome (41343022034314).

The spelling of 20122011012212 in words is "twenty trillion, one hundred twenty-two billion, eleven million, twelve thousand, two hundred twelve".