100340012120 has 16 divisors (see below), whose sum is σ = 225765027360. Its totient is φ = 40136004832.

The previous prime is 100340012099. The next prime is 100340012137. The reversal of 100340012120 is 21210043001.

It is a junction number, because it is equal to n+sod(n) for n = 100340012095 and 100340012104.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1254250112 + ... + 1254250191.

It is an arithmetic number, because the mean of its divisors is an integer number (14110314210).

Almost surely, 2^100340012120 is an apocalyptic number.

100340012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100340012120 is an abundant number, since it is smaller than the sum of its proper divisors (125425015240).

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

100340012120 is a wasteful number, since it uses less digits than its factorization.

100340012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508500314 (or 2508500310 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100340012120 its reverse (21210043001), we get a palindrome (121550055121).

The spelling of 100340012120 in words is "one hundred billion, three hundred forty million, twelve thousand, one hundred twenty".