1213411001403 has 16 divisors (see below), whose sum is σ = 1724143666176. Its totient is φ = 757306154880.

The previous prime is 1213411001329. The next prime is 1213411001471. The reversal of 1213411001403 is 3041001143121.

It is not a de Polignac number, because 1213411001403 - 2¹⁰ = 1213411000379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213411001403.

It is not an unprimeable number, because it can be changed into a prime (1213411001203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187078318 + ... + 187084803.

It is an arithmetic number, because the mean of its divisors is an integer number (107758979136).

Almost surely, 2^{1213411001403} is an apocalyptic number.

1213411001403 is a deficient number, since it is larger than the sum of its proper divisors (510732664773).

1213411001403 is a wasteful number, since it uses less digits than its factorization.

1213411001403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374163194.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1213411001403 its reverse (3041001143121), we get a palindrome (4254412144524).

The spelling of 1213411001403 in words is "one trillion, two hundred thirteen billion, four hundred eleven million, one thousand, four hundred three".