120043340021 has 8 divisors (see below), whose sum is σ = 132252969888. Its totient is φ = 108049810000.

The previous prime is 120043340009. The next prime is 120043340023.

120043340021 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-120043340021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120043339975 and 120043340002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120043340023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54023795 + ... + 54026016.

It is an arithmetic number, because the mean of its divisors is an integer number (16531621236).

Almost surely, 2^120043340021 is an apocalyptic number.

120043340021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120043340021 is a deficient number, since it is larger than the sum of its proper divisors (12209629867).

120043340021 is a wasteful number, since it uses less digits than its factorization.

120043340021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108049923.

The product of its (nonzero) digits is 576, while the sum is 20.

It can be divided in two parts, 120043 and 340021, that added together give a palindrome (460064).

The spelling of 120043340021 in words is "one hundred twenty billion, forty-three million, three hundred forty thousand, twenty-one".