203135012 has 6 divisors (see below), whose sum is σ = 355486278. Its totient is φ = 101567504.

The previous prime is 203135003. The next prime is 203135027. The reversal of 203135012 is 210531302.

It can be written as a sum of positive squares in only one way, i.e., 195328576 + 7806436 = 13976^2 + 2794^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25391873 + ... + 25391880.

It is an arithmetic number, because the mean of its divisors is an integer number (59247713).

Almost surely, 2^203135012 is an apocalyptic number.

It is an amenable number.

203135012 is a deficient number, since it is larger than the sum of its proper divisors (152351266).

203135012 is a wasteful number, since it uses less digits than its factorization.

203135012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50783757 (or 50783755 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 203135012 is about 14252.5440536067. The cubic root of 203135012 is about 587.8433298486.

Adding to 203135012 its reverse (210531302), we get a palindrome (413666314).

The spelling of 203135012 in words is "two hundred three million, one hundred thirty-five thousand, twelve".