203120212 has 12 divisors (see below), whose sum is σ = 358606836. Its totient is φ = 100661120.

The previous prime is 203120189. The next prime is 203120257. The reversal of 203120212 is 212021302.

203120212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14167696 + 188952516 = 3764^2 + 13746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203120192 and 203120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224239 + ... + 225142.

It is an arithmetic number, because the mean of its divisors is an integer number (29883903).

Almost surely, 2^203120212 is an apocalyptic number.

It is an amenable number.

203120212 is a deficient number, since it is larger than the sum of its proper divisors (155486624).

203120212 is a wasteful number, since it uses less digits than its factorization.

203120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449498 (or 449496 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 203120212 is about 14252.0248385975. The cubic root of 203120212 is about 587.8290531491.

Adding to 203120212 its reverse (212021302), we get a palindrome (415141514).

The spelling of 203120212 in words is "two hundred three million, one hundred twenty thousand, two hundred twelve".