20001210112012 has 6 divisors (see below), whose sum is σ = 35002117696028. Its totient is φ = 10000605056004.

The previous prime is 20001210112003. The next prime is 20001210112031. The reversal of 20001210112012 is 21021101210002.

It is a junction number, because it is equal to n+sod(n) for n = 20001210111983 and 20001210112001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500151263998 + ... + 2500151264005.

Almost surely, 2^{20001210112012} is an apocalyptic number.

It is an amenable number.

20001210112012 is a deficient number, since it is larger than the sum of its proper divisors (15000907584016).

20001210112012 is a wasteful number, since it uses less digits than its factorization.

20001210112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000302528007 (or 5000302528005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20001210112012 its reverse (21021101210002), we get a palindrome (41022311322014).

The spelling of 20001210112012 in words is "twenty trillion, one billion, two hundred ten million, one hundred twelve thousand, twelve".