203100211212 has 24 divisors (see below), whose sum is σ = 480973636416. Its totient is φ = 66689621328.

The previous prime is 203100211207. The next prime is 203100211231. The reversal of 203100211212 is 212112001302.

It is a junction number, because it is equal to n+sod(n) for n = 203100211191 and 203100211200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126305298 + ... + 126306905.

It is an arithmetic number, because the mean of its divisors is an integer number (20040568184).

Almost surely, 2^203100211212 is an apocalyptic number.

It is an amenable number.

203100211212 is an abundant number, since it is smaller than the sum of its proper divisors (277873425204).

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

203100211212 is a wasteful number, since it uses less digits than its factorization.

203100211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252612277 (or 252612275 counting only the distinct ones).

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

Adding to 203100211212 its reverse (212112001302), we get a palindrome (415212212514).

The spelling of 203100211212 in words is "two hundred three billion, one hundred million, two hundred eleven thousand, two hundred twelve".