1213201203 has 8 divisors (see below), whose sum is σ = 1632719808. Its totient is φ = 801241704.

The previous prime is 1213201201. The next prime is 1213201237. The reversal of 1213201203 is 3021023121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213201203 - 2¹ = 1213201201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213201201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889401 + ... + 1890042.

It is an arithmetic number, because the mean of its divisors is an integer number (204089976).

Almost surely, 2^1213201203 is an apocalyptic number.

1213201203 is a deficient number, since it is larger than the sum of its proper divisors (419518605).

1213201203 is a wasteful number, since it uses less digits than its factorization.

1213201203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779553.

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

The square root of 1213201203 is about 34831.0379259648. The cubic root of 1213201203 is about 1066.5411362801.

Adding to 1213201203 its reverse (3021023121), we get a palindrome (4234224324).

The spelling of 1213201203 in words is "one billion, two hundred thirteen million, two hundred one thousand, two hundred three".