20002211022212 has 6 divisors (see below), whose sum is σ = 35003869288878. Its totient is φ = 10001105511104.

The previous prime is 20002211022197. The next prime is 20002211022223. The reversal of 20002211022212 is 21222011220002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19951444623616 + 50766398596 = 4466704^2 + 225314^2 .

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 as a sum of consecutive naturals, namely, 2500276377773 + ... + 2500276377780.

It is an arithmetic number, because the mean of its divisors is an integer number (5833978214813).

Almost surely, 2^{20002211022212} is an apocalyptic number.

It is an amenable number.

20002211022212 is a deficient number, since it is larger than the sum of its proper divisors (15001658266666).

20002211022212 is a wasteful number, since it uses less digits than its factorization.

20002211022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000552755557 (or 5000552755555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20002211022212 its reverse (21222011220002), we get a palindrome (41224222242214).

The spelling of 20002211022212 in words is "twenty trillion, two billion, two hundred eleven million, twenty-two thousand, two hundred twelve".