100120412343 has 16 divisors (see below), whose sum is σ = 152631749120. Its totient is φ = 57186422496.

The previous prime is 100120412341. The next prime is 100120412347. The reversal of 100120412343 is 343214021001.

It is not a de Polignac number, because 100120412343 - 2¹ = 100120412341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120412341) 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, 1002955 + ... + 1098252.

It is an arithmetic number, because the mean of its divisors is an integer number (9539484320).

Almost surely, 2^100120412343 is an apocalyptic number.

100120412343 is a deficient number, since it is larger than the sum of its proper divisors (52511336777).

100120412343 is a wasteful number, since it uses less digits than its factorization.

100120412343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103486.

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

Adding to 100120412343 its reverse (343214021001), we get a palindrome (443334433344).

The spelling of 100120412343 in words is "one hundred billion, one hundred twenty million, four hundred twelve thousand, three hundred forty-three".