20010122002012 has 12 divisors (see below), whose sum is σ = 35018000636976. Its totient is φ = 10004978962880.

The previous prime is 20010122002009. The next prime is 20010122002069. The reversal of 20010122002012 is 21020022101002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20010122001983 and 20010122002001.

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, 19959088 + ... + 20937655.

It is an arithmetic number, because the mean of its divisors is an integer number (2918166719748).

Almost surely, 2^{20010122002012} is an apocalyptic number.

It is an amenable number.

20010122002012 is a deficient number, since it is larger than the sum of its proper divisors (15007878634964).

20010122002012 is a wasteful number, since it uses less digits than its factorization.

20010122002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41019068 (or 41019066 counting only the distinct ones).

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

Adding to 20010122002012 its reverse (21020022101002), we get a palindrome (41030144103014).

The spelling of 20010122002012 in words is "twenty trillion, ten billion, one hundred twenty-two million, two thousand, twelve".