1213002203 has 6 divisors (see below), whose sum is σ = 1411043436. Its totient is φ = 1039716132.

The previous prime is 1213002187. The next prime is 1213002209. The reversal of 1213002203 is 3022003121.

It is a happy number.

It is not a de Polignac number, because 1213002203 - 2⁴ = 1213002187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213002209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12377525 + ... + 12377622.

It is an arithmetic number, because the mean of its divisors is an integer number (235173906).

Almost surely, 2^1213002203 is an apocalyptic number.

1213002203 is a deficient number, since it is larger than the sum of its proper divisors (198041233).

1213002203 is an equidigital number, since it uses as much as digits as its factorization.

1213002203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24755161 (or 24755154 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1213002203 is about 34828.1811612378. The cubic root of 1213002203 is about 1066.4828185855.

Adding to 1213002203 its reverse (3022003121), we get a palindrome (4235005324).

The spelling of 1213002203 in words is "one billion, two hundred thirteen million, two thousand, two hundred three".