1213629242403 has 16 divisors (see below), whose sum is σ = 1649239315200. Its totient is φ = 793562581344.

The previous prime is 1213629242387. The next prime is 1213629242443. The reversal of 1213629242403 is 3042429263121.

It is not a de Polignac number, because 1213629242403 - 2⁴ = 1213629242387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213629242443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747703 + ... + 1728096.

It is an arithmetic number, because the mean of its divisors is an integer number (103077457200).

Almost surely, 2^{1213629242403} is an apocalyptic number.

1213629242403 is a deficient number, since it is larger than the sum of its proper divisors (435610072797).

1213629242403 is a wasteful number, since it uses less digits than its factorization.

1213629242403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478938.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 1213629242403 in words is "one trillion, two hundred thirteen billion, six hundred twenty-nine million, two hundred forty-two thousand, four hundred three".