1202312203 has 4 divisors (see below), whose sum is σ = 1212952248. Its totient is φ = 1191672160.

The previous prime is 1202312159. The next prime is 1202312213. The reversal of 1202312203 is 3022132021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3022132021 = 29 ⋅104211449.

It is a cyclic number.

It is not a de Polignac number, because 1202312203 - 2²⁵ = 1168757771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202312213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5319853 + ... + 5320078.

It is an arithmetic number, because the mean of its divisors is an integer number (303238062).

Almost surely, 2^1202312203 is an apocalyptic number.

1202312203 is a deficient number, since it is larger than the sum of its proper divisors (10640045).

1202312203 is a wasteful number, since it uses less digits than its factorization.

1202312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10640044.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1202312203 is about 34674.3738660123. The cubic root of 1202312203 is about 1063.3406541513.

Adding to 1202312203 its reverse (3022132021), we get a palindrome (4224444224).

The spelling of 1202312203 in words is "one billion, two hundred two million, three hundred twelve thousand, two hundred three".