203210101212 has 96 divisors (see below), whose sum is σ = 492280449024. Its totient is φ = 65197094400.

The previous prime is 203210101183. The next prime is 203210101223. The reversal of 203210101212 is 212101012302.

It is a junction number, because it is equal to n+sod(n) for n = 203210101191 and 203210101200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13725798 + ... + 13740594.

It is an arithmetic number, because the mean of its divisors is an integer number (5127921344).

Almost surely, 2^203210101212 is an apocalyptic number.

It is an amenable number.

203210101212 is an abundant number, since it is smaller than the sum of its proper divisors (289070347812).

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

203210101212 is a wasteful number, since it uses less digits than its factorization.

203210101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15219 (or 15217 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 203210101212 its reverse (212101012302), we get a palindrome (415311113514).

The spelling of 203210101212 in words is "two hundred three billion, two hundred ten million, one hundred one thousand, two hundred twelve".