1213132231203 has 16 divisors (see below), whose sum is σ = 1637429905440. Its totient is φ = 798814089216.

The previous prime is 1213132231169. The next prime is 1213132231231. The reversal of 1213132231203 is 3021322313121.

It is not a de Polignac number, because 1213132231203 - 2⁶ = 1213132231139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213132238203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2174350 + ... + 2674707.

It is an arithmetic number, because the mean of its divisors is an integer number (102339369090).

Almost surely, 2^{1213132231203} is an apocalyptic number.

1213132231203 is a deficient number, since it is larger than the sum of its proper divisors (424297674237).

1213132231203 is an equidigital number, since it uses as much as digits as its factorization.

1213132231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850086.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1213132231203 its reverse (3021322313121), we get a palindrome (4234454544324).

The spelling of 1213132231203 in words is "one trillion, two hundred thirteen billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred three".