1213441013403 has 6 divisors (see below), whose sum is σ = 1752748130484. Its totient is φ = 808960675596.

The previous prime is 1213441013339. The next prime is 1213441013419. The reversal of 1213441013403 is 3043101443121.

1213441013403 is a `hidden beast` number, since 1 + 213 + 4 + 4 + 101 + 340 + 3 = 666.

It is not a de Polignac number, because 1213441013403 - 2⁶ = 1213441013339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213441013453) 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, 67413389625 + ... + 67413389642.

It is an arithmetic number, because the mean of its divisors is an integer number (292124688414).

Almost surely, 2^{1213441013403} is an apocalyptic number.

1213441013403 is a deficient number, since it is larger than the sum of its proper divisors (539307117081).

1213441013403 is a wasteful number, since it uses less digits than its factorization.

1213441013403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134826779273 (or 134826779270 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1213441013403 its reverse (3043101443121), we get a palindrome (4256542456524).

The spelling of 1213441013403 in words is "one trillion, two hundred thirteen billion, four hundred forty-one million, thirteen thousand, four hundred three".