120204000402021 has 12 divisors (see below), whose sum is σ = 173628135613920. Its totient is φ = 80135937945000.

The previous prime is 120204000402019. The next prime is 120204000402053.

120204000402021 is a `hidden beast` number, since 1 + 2 + 0 + 20 + 400 + 0 + 40 + 202 + 1 = 666.

120204000402021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 120204000402021 - 2¹ = 120204000402019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120204000401985 and 120204000402003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120204000402061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9088896 + ... + 17972646.

It is an arithmetic number, because the mean of its divisors is an integer number (14469011301160).

Almost surely, 2^{120204000402021} is an apocalyptic number.

It is an amenable number.

120204000402021 is a deficient number, since it is larger than the sum of its proper divisors (53424135211899).

120204000402021 is a wasteful number, since it uses less digits than its factorization.

120204000402021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387176 (or 10387173 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

It can be divided in two parts, 120204000 and 402021, that added together give a palindrome (120606021).

The spelling of 120204000402021 in words is "one hundred twenty trillion, two hundred four billion, four hundred two thousand, twenty-one".