120234432021 has 32 divisors (see below), whose sum is σ = 177247910016. Its totient is φ = 71890560000.

The previous prime is 120234432001. The next prime is 120234432103.

It is a happy number.

120234432021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 120234432021 - 2⁶ = 120234431957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120234431982 and 120234432000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120234432001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 872385 + ... + 1000761.

It is an arithmetic number, because the mean of its divisors is an integer number (5538997188).

Almost surely, 2^120234432021 is an apocalyptic number.

120234432021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120234432021 is a deficient number, since it is larger than the sum of its proper divisors (57013477995).

120234432021 is a wasteful number, since it uses less digits than its factorization.

120234432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128773.

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 120234 and 432021, that added together give a palindrome (552255).

The spelling of 120234432021 in words is "one hundred twenty billion, two hundred thirty-four million, four hundred thirty-two thousand, twenty-one".