202112121010 has 8 divisors (see below), whose sum is σ = 363801817836. Its totient is φ = 80844848400.

The previous prime is 202112120939. The next prime is 202112121017. The reversal of 202112121010 is 10121211202.

202112121010 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 2 ways, for example, as 182977762081 + 19134358929 = 427759^2 + 138327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (202112121017) 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 in 3 ways as a sum of consecutive naturals, for example, 10105606041 + ... + 10105606060.

Almost surely, 2^202112121010 is an apocalyptic number.

202112121010 is a deficient number, since it is larger than the sum of its proper divisors (161689696826).

202112121010 is a wasteful number, since it uses less digits than its factorization.

202112121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211212108.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202112121010 its reverse (10121211202), we get a palindrome (212233332212).

The spelling of 202112121010 in words is "two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, ten".