13121042342430 has 32 divisors (see below), whose sum is σ = 34353274497408. Its totient is φ = 3180858749600.

The previous prime is 13121042342393. The next prime is 13121042342449. The reversal of 13121042342430 is 3424324012131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19880366856 + ... + 19880367515.

It is an arithmetic number, because the mean of its divisors is an integer number (1073539828044).

Almost surely, 2^{13121042342430} is an apocalyptic number.

13121042342430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121042342430 is an abundant number, since it is smaller than the sum of its proper divisors (21232232154978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13121042342430 is a wasteful number, since it uses less digits than its factorization.

13121042342430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39760734392.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 13121042342430 its reverse (3424324012131), we get a palindrome (16545366354561).

The spelling of 13121042342430 in words is "thirteen trillion, one hundred twenty-one billion, forty-two million, three hundred forty-two thousand, four hundred thirty".