1012312203 has 16 divisors (see below), whose sum is σ = 1543718400. Its totient is φ = 578033856.

The previous prime is 1012312201. The next prime is 1012312207. The reversal of 1012312203 is 3022132101.

1012312203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012312203 - 2¹ = 1012312201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012312201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12151 + ... + 46607.

It is an arithmetic number, because the mean of its divisors is an integer number (96482400).

Almost surely, 2^1012312203 is an apocalyptic number.

1012312203 is a deficient number, since it is larger than the sum of its proper divisors (531406197).

1012312203 is a wasteful number, since it uses less digits than its factorization.

1012312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35866.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1012312203 is about 31816.8540713880. The cubic root of 1012312203 is about 1004.0873385686.

Adding to 1012312203 its reverse (3022132101), we get a palindrome (4034444304).

The spelling of 1012312203 in words is "one billion, twelve million, three hundred twelve thousand, two hundred three".