20120003022212 has 24 divisors (see below), whose sum is σ = 35223730813656. Its totient is φ = 10056080561408.

The previous prime is 20120003022209. The next prime is 20120003022221. The reversal of 20120003022212 is 21222030002102.

It can be written as a sum of positive squares in 4 ways, for example, as 1528521759556 + 18591481262656 = 1236334^2 + 4311784^2 .

It is a super-2 number, since 2×20120003022212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139832018 + ... + 139975830.

It is an arithmetic number, because the mean of its divisors is an integer number (1467655450569).

Almost surely, 2^{20120003022212} is an apocalyptic number.

It is an amenable number.

20120003022212 is a deficient number, since it is larger than the sum of its proper divisors (15103727791444).

20120003022212 is a wasteful number, since it uses less digits than its factorization.

20120003022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157207 (or 157205 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20120003022212 its reverse (21222030002102), we get a palindrome (41342033024314).

The spelling of 20120003022212 in words is "twenty trillion, one hundred twenty billion, three million, twenty-two thousand, two hundred twelve".