20102021002012 has 12 divisors (see below), whose sum is σ = 35180568319960. Its totient is φ = 10050430053456.

The previous prime is 20102021002001. The next prime is 20102021002061. The reversal of 20102021002012 is 21020012020102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20102021001983 and 20102021002001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145033962 + ... + 145172497.

Almost surely, 2^{20102021002012} is an apocalyptic number.

It is an amenable number.

20102021002012 is a deficient number, since it is larger than the sum of its proper divisors (15078547317948).

20102021002012 is a wasteful number, since it uses less digits than its factorization.

20102021002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290223780 (or 290223778 counting only the distinct ones).

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

Adding to 20102021002012 its reverse (21020012020102), we get a palindrome (41122033022114).

The spelling of 20102021002012 in words is "twenty trillion, one hundred two billion, twenty-one million, two thousand, twelve".