20010212021112 has 32 divisors (see below), whose sum is σ = 50147841886800. Its totient is φ = 6653762429184.

The previous prime is 20010212021089. The next prime is 20010212021113. The reversal of 20010212021112 is 21112021201002.

It is a junction number, because it is equal to n+sod(n) for n = 20010212021091 and 20010212021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010212021113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019255263 + ... + 1019274894.

Almost surely, 2^{20010212021112} is an apocalyptic number.

It is an amenable number.

20010212021112 is an abundant number, since it is smaller than the sum of its proper divisors (30137629865688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010212021112 is a wasteful number, since it uses less digits than its factorization.

20010212021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038530575 (or 2038530571 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20010212021112 its reverse (21112021201002), we get a palindrome (41122233222114).

The spelling of 20010212021112 in words is "twenty trillion, ten billion, two hundred twelve million, twenty-one thousand, one hundred twelve".