120442343244021 has 6 divisors (see below), whose sum is σ = 173972273574710. Its totient is φ = 80294895496008.

The previous prime is 120442343244019. The next prime is 120442343244211.

120442343244021 is a `hidden beast` number, since 1 + 2 + 0 + 44 + 234 + 324 + 40 + 21 = 666.

120442343244021 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 106569593795025 + 13872749448996 = 10323255^2 + 3724614^2 .

It is not a de Polignac number, because 120442343244021 - 2¹ = 120442343244019 is a prime.

It is a super-2 number, since 2×120442343244021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120442343242021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6691241291326 + ... + 6691241291343.

Almost surely, 2^{120442343244021} is an apocalyptic number.

It is an amenable number.

120442343244021 is a deficient number, since it is larger than the sum of its proper divisors (53529930330689).

120442343244021 is a wasteful number, since it uses less digits than its factorization.

120442343244021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13382482582675 (or 13382482582672 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 120442343244021 in words is "one hundred twenty trillion, four hundred forty-two billion, three hundred forty-three million, two hundred forty-four thousand, twenty-one".