20010212112012 has 12 divisors (see below), whose sum is σ = 46690494928056. Its totient is φ = 6670070704000.

The previous prime is 20010212111987. The next prime is 20010212112133. The reversal of 20010212112012 is 21021121201002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20010212111982 and 20010212112000.

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, 833758837989 + ... + 833758838012.

It is an arithmetic number, because the mean of its divisors is an integer number (3890874577338).

Almost surely, 2^{20010212112012} is an apocalyptic number.

It is an amenable number.

20010212112012 is an abundant number, since it is smaller than the sum of its proper divisors (26680282816044).

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

20010212112012 is a wasteful number, since it uses less digits than its factorization.

20010212112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667517676008 (or 1667517676006 counting only the distinct ones).

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

Adding to 20010212112012 its reverse (21021121201002), we get a palindrome (41031333313014).

The spelling of 20010212112012 in words is "twenty trillion, ten billion, two hundred twelve million, one hundred twelve thousand, twelve".