210212012112 has 20 divisors (see below), whose sum is σ = 543047698080. Its totient is φ = 70070670688.

The previous prime is 210212012111. The next prime is 210212012137. The reversal of 210212012112 is 211210212012.

It is a junction number, because it is equal to n+sod(n) for n = 210212012091 and 210212012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210212012111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189708412 + ... + 2189708507.

It is an arithmetic number, because the mean of its divisors is an integer number (27152384904).

Almost surely, 2^210212012112 is an apocalyptic number.

It is an amenable number.

210212012112 is an abundant number, since it is smaller than the sum of its proper divisors (332835685968).

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

210212012112 is a wasteful number, since it uses less digits than its factorization.

210212012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379416930 (or 4379416924 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210212012112 its reverse (211210212012), we get a palindrome (421422224124).

The spelling of 210212012112 in words is "two hundred ten billion, two hundred twelve million, twelve thousand, one hundred twelve".