203043012202 has 4 divisors (see below), whose sum is σ = 304564518306. Its totient is φ = 101521506100.

The previous prime is 203043012199. The next prime is 203043012209. The reversal of 203043012202 is 202210340302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 194499522441 + 8543489761 = 441021^2 + 92431^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 203043012202.

It is not an unprimeable number, because it can be changed into a prime (203043012209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50760753049 + ... + 50760753052.

Almost surely, 2^203043012202 is an apocalyptic number.

203043012202 is a deficient number, since it is larger than the sum of its proper divisors (101521506104).

203043012202 is a wasteful number, since it uses less digits than its factorization.

203043012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101521506103.

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

Adding to 203043012202 its reverse (202210340302), we get a palindrome (405253352504).

The spelling of 203043012202 in words is "two hundred three billion, forty-three million, twelve thousand, two hundred two".