120202212021 has 16 divisors (see below), whose sum is σ = 164976240000. Its totient is φ = 77791364928.

The previous prime is 120202212019. The next prime is 120202212037. The reversal of 120202212021 is 120212202021.

It is not a de Polignac number, because 120202212021 - 2¹ = 120202212019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202212071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184646 + ... + 1282103.

It is an arithmetic number, because the mean of its divisors is an integer number (10311015000).

Almost surely, 2^120202212021 is an apocalyptic number.

It is an amenable number.

120202212021 is a deficient number, since it is larger than the sum of its proper divisors (44774027979).

120202212021 is a wasteful number, since it uses less digits than its factorization.

120202212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467228.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120202212021 its reverse (120212202021), we get a palindrome (240414414042).

The spelling of 120202212021 in words is "one hundred twenty billion, two hundred two million, two hundred twelve thousand, twenty-one".