210202122212 has 6 divisors (see below), whose sum is σ = 367853713878. Its totient is φ = 105101061104.

The previous prime is 210202122211. The next prime is 210202122239. The reversal of 210202122212 is 212221202012.

It is a happy number.

210202122212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 205912658176 + 4289464036 = 453776^2 + 65494^2 .

It is not an unprimeable number, because it can be changed into a prime (210202122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26275265273 + ... + 26275265280.

It is an arithmetic number, because the mean of its divisors is an integer number (61308952313).

Almost surely, 2^210202122212 is an apocalyptic number.

It is an amenable number.

210202122212 is a deficient number, since it is larger than the sum of its proper divisors (157651591666).

210202122212 is a wasteful number, since it uses less digits than its factorization.

210202122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52550530557 (or 52550530555 counting only the distinct ones).

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

Adding to 210202122212 its reverse (212221202012), we get a palindrome (422423324224).

The spelling of 210202122212 in words is "two hundred ten billion, two hundred two million, one hundred twenty-two thousand, two hundred twelve".