202143102112 has 24 divisors (see below), whose sum is σ = 454821980256. Its totient is φ = 86632757952.

The previous prime is 202143102101. The next prime is 202143102173. The reversal of 202143102112 is 211201341202.

It is a self number, because there is not a number n which added to its sum of digits gives 202143102112.

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 3 ways as a sum of consecutive naturals, for example, 451212058 + ... + 451212505.

It is an arithmetic number, because the mean of its divisors is an integer number (18950915844).

Almost surely, 2^202143102112 is an apocalyptic number.

It is an amenable number.

202143102112 is an abundant number, since it is smaller than the sum of its proper divisors (252678878144).

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

202143102112 is an equidigital number, since it uses as much as digits as its factorization.

202143102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902424580 (or 902424572 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 202143102112 its reverse (211201341202), we get a palindrome (413344443314).

The spelling of 202143102112 in words is "two hundred two billion, one hundred forty-three million, one hundred two thousand, one hundred twelve".