120200212212021 has 6 divisors (see below), whose sum is σ = 173622528750710. Its totient is φ = 80133474808008.

The previous prime is 120200212211971. The next prime is 120200212212037. The reversal of 120200212212021 is 120212212002021.

It is a happy number.

120200212212021 is a `hidden beast` number, since 1 + 20 + 200 + 21 + 221 + 202 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 87714931640625 + 32485280571396 = 9365625^2 + 5699586^2 .

It is not a de Polignac number, because 120200212212021 - 2⁹ = 120200212211509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120200212211985 and 120200212212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200912212021) 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, 6677789567326 + ... + 6677789567343.

Almost surely, 2^{120200212212021} is an apocalyptic number.

It is an amenable number.

120200212212021 is a deficient number, since it is larger than the sum of its proper divisors (53422316538689).

120200212212021 is a wasteful number, since it uses less digits than its factorization.

120200212212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13355579134675 (or 13355579134672 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120200212212021 its reverse (120212212002021), we get a palindrome (240412424214042).

The spelling of 120200212212021 in words is "one hundred twenty trillion, two hundred billion, two hundred twelve million, two hundred twelve thousand, twenty-one".