20100102020212 has 12 divisors (see below), whose sum is σ = 35408126738656. Its totient is φ = 9983494380600.

The previous prime is 20100102020203. The next prime is 20100102020231. The reversal of 20100102020212 is 21202020100102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20100102020192 and 20100102020201.

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, 16639156698 + ... + 16639157905.

Almost surely, 2^{20100102020212} is an apocalyptic number.

It is an amenable number.

20100102020212 is a deficient number, since it is larger than the sum of its proper divisors (15308024718444).

20100102020212 is a wasteful number, since it uses less digits than its factorization.

20100102020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33278314758 (or 33278314756 counting only the distinct ones).

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

Adding to 20100102020212 its reverse (21202020100102), we get a palindrome (41302122120314).

The spelling of 20100102020212 in words is "twenty trillion, one hundred billion, one hundred two million, twenty thousand, two hundred twelve".