120202021012 has 12 divisors (see below), whose sum is σ = 210813832180. Its totient is φ = 59969497536.

The previous prime is 120202021001. The next prime is 120202021013. The reversal of 120202021012 is 210120202021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 60007361296 + 60194659716 = 244964^2 + 245346^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120202020983 and 120202021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202021013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32876187 + ... + 32879842.

Almost surely, 2^120202021012 is an apocalyptic number.

It is an amenable number.

120202021012 is a deficient number, since it is larger than the sum of its proper divisors (90611811168).

120202021012 is a wasteful number, since it uses less digits than its factorization.

120202021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65756490 (or 65756488 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120202021012 its reverse (210120202021), we get a palindrome (330322223033).

The spelling of 120202021012 in words is "one hundred twenty billion, two hundred two million, twenty-one thousand, twelve".