202110001212 has 48 divisors (see below), whose sum is σ = 543997036800. Its totient is φ = 57206032512.

The previous prime is 202110001201. The next prime is 202110001213. The reversal of 202110001212 is 212100011202.

202110001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202110001213) 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 15 ways as a sum of consecutive naturals, for example, 11234337 + ... + 11252312.

It is an arithmetic number, because the mean of its divisors is an integer number (11333271600).

Almost surely, 2^202110001212 is an apocalyptic number.

It is an amenable number.

202110001212 is an abundant number, since it is smaller than the sum of its proper divisors (341887035588).

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

202110001212 is a wasteful number, since it uses less digits than its factorization.

202110001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22486770 (or 22486768 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202110001212 its reverse (212100011202), we get a palindrome (414210012414).

The spelling of 202110001212 in words is "two hundred two billion, one hundred ten million, one thousand, two hundred twelve".