202012221210210 has 96 divisors (see below), whose sum is σ = 530338316347008. Its totient is φ = 53346192053760.

The previous prime is 202012221210193. The next prime is 202012221210227. The reversal of 202012221210210 is 12012122210202.

It is a happy number.

202012221210210 is a `hidden beast` number, since 2 + 0 + 20 + 1 + 2 + 221 + 210 + 210 = 666.

202012221210210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202012221210193) and next prime (202012221210227).

It is a super-4 number, since 4×202012221210210⁴ (a number of 58 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1273553805 + ... + 1273712415.

It is an arithmetic number, because the mean of its divisors is an integer number (5524357461948).

Almost surely, 2^{202012221210210} is an apocalyptic number.

202012221210210 is an abundant number, since it is smaller than the sum of its proper divisors (328326095136798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202012221210210 is a wasteful number, since it uses less digits than its factorization.

202012221210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296120 (or 296117 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202012221210210 its reverse (12012122210202), we get a palindrome (214024343420412).

The spelling of 202012221210210 in words is "two hundred two trillion, twelve billion, two hundred twenty-one million, two hundred ten thousand, two hundred ten".