203434012 has 12 divisors (see below), whose sum is σ = 356234760. Its totient is φ = 101652656.

The previous prime is 203433983. The next prime is 203434027. The reversal of 203434012 is 210434302.

It is a super-2 number, since 2×203434012² = 82770794476832288, which contains 22 as substring.

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, 8587 + ... + 21922.

It is an arithmetic number, because the mean of its divisors is an integer number (29686230).

Almost surely, 2^203434012 is an apocalyptic number.

It is an amenable number.

203434012 is a deficient number, since it is larger than the sum of its proper divisors (152800748).

203434012 is a wasteful number, since it uses less digits than its factorization.

203434012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32180 (or 32178 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 203434012 is about 14263.0295519570. The cubic root of 203434012 is about 588.1316093636.

Adding to 203434012 its reverse (210434302), we get a palindrome (413868314).

It can be divided in two parts, 2034 and 34012, that added together give a triangular number (36046 = T₂₆₈).

The spelling of 203434012 in words is "two hundred three million, four hundred thirty-four thousand, twelve".