20202121033012 has 24 divisors (see below), whose sum is σ = 35980950348000. Its totient is φ = 9922116391776.

The previous prime is 20202121032859. The next prime is 20202121033033. The reversal of 20202121033012 is 21033012120202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33057387 + ... + 33662962.

It is an arithmetic number, because the mean of its divisors is an integer number (1499206264500).

Almost surely, 2^{20202121033012} is an apocalyptic number.

It is an amenable number.

20202121033012 is a deficient number, since it is larger than the sum of its proper divisors (15778829314988).

20202121033012 is a wasteful number, since it uses less digits than its factorization.

20202121033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66721695 (or 66721693 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20202121033012 its reverse (21033012120202), we get a palindrome (41235133153214).

The spelling of 20202121033012 in words is "twenty trillion, two hundred two billion, one hundred twenty-one million, thirty-three thousand, twelve".