20212200212210 has 16 divisors (see below), whose sum is σ = 36570467952216. Its totient is φ = 8042989513728.

The previous prime is 20212200212189. The next prime is 20212200212273. The reversal of 20212200212210 is 1221200221202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14187644689201 + 6024555523009 = 3766649^2 + 2454497^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 5236319369 + ... + 5236323228.

Almost surely, 2^{20212200212210} is an apocalyptic number.

20212200212210 is a deficient number, since it is larger than the sum of its proper divisors (16358267740006).

20212200212210 is a wasteful number, since it uses less digits than its factorization.

20212200212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10472642797.

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

Adding to 20212200212210 its reverse (1221200221202), we get a palindrome (21433400433412).

The spelling of 20212200212210 in words is "twenty trillion, two hundred twelve billion, two hundred million, two hundred twelve thousand, two hundred ten".