1210420013403 has 16 divisors (see below), whose sum is σ = 1709704267776. Its totient is φ = 759089884800.

The previous prime is 1210420013401. The next prime is 1210420013431. The reversal of 1210420013403 is 3043100240121.

It is not a de Polignac number, because 1210420013403 - 2¹ = 1210420013401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210420013403.

It is not an unprimeable number, because it can be changed into a prime (1210420013401) 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, 5982951 + ... + 6181952.

It is an arithmetic number, because the mean of its divisors is an integer number (106856516736).

Almost surely, 2^{1210420013403} is an apocalyptic number.

1210420013403 is a deficient number, since it is larger than the sum of its proper divisors (499284254373).

1210420013403 is a wasteful number, since it uses less digits than its factorization.

1210420013403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12166874.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1210420013403 its reverse (3043100240121), we get a palindrome (4253520253524).

The spelling of 1210420013403 in words is "one trillion, two hundred ten billion, four hundred twenty million, thirteen thousand, four hundred three".