22020012020212 has 6 divisors (see below), whose sum is σ = 38535021035378. Its totient is φ = 11010006010104.

The previous prime is 22020012020161. The next prime is 22020012020219. The reversal of 22020012020212 is 21202021002022.

It can be written as a sum of positive squares in only one way, i.e., 14253010899856 + 7767001120356 = 3775316^2 + 2786934^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020012020219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752501502523 + ... + 2752501502530.

Almost surely, 2^{22020012020212} is an apocalyptic number.

It is an amenable number.

22020012020212 is a deficient number, since it is larger than the sum of its proper divisors (16515009015166).

22020012020212 is a wasteful number, since it uses less digits than its factorization.

22020012020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505003005057 (or 5505003005055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22020012020212 its reverse (21202021002022), we get a palindrome (43222033022234).

The spelling of 22020012020212 in words is "twenty-two trillion, twenty billion, twelve million, twenty thousand, two hundred twelve".