120010404010021 has 32 divisors (see below), whose sum is σ = 149489215488000. Its totient is φ = 94005077487552.

The previous prime is 120010404010001. The next prime is 120010404010031.

It is a happy number.

120010404010021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 120010404010021 - 2⁵ = 120010404009989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120010404009977 and 120010404010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010404010001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10119751 + ... + 18504868.

It is an arithmetic number, because the mean of its divisors is an integer number (4671537984000).

Almost surely, 2^{120010404010021} is an apocalyptic number.

It is an amenable number.

120010404010021 is a deficient number, since it is larger than the sum of its proper divisors (29478811477979).

120010404010021 is a wasteful number, since it uses less digits than its factorization.

120010404010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28625761.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 12001040 and 4010021, that added together give a palindrome (16011061).

The spelling of 120010404010021 in words is "one hundred twenty trillion, ten billion, four hundred four million, ten thousand, twenty-one".