20001210001012 has 12 divisors (see below), whose sum is σ = 35746843406400. Its totient is φ = 9787826170616.

The previous prime is 20001210000977. The next prime is 20001210001021. The reversal of 20001210001012 is 21010001210002.

It is a self number, because there is not a number n which added to its sum of digits gives 20001210001012.

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, 53194707262 + ... + 53194707637.

It is an arithmetic number, because the mean of its divisors is an integer number (2978903617200).

Almost surely, 2^{20001210001012} is an apocalyptic number.

It is an amenable number.

20001210001012 is a deficient number, since it is larger than the sum of its proper divisors (15745633405388).

20001210001012 is a wasteful number, since it uses less digits than its factorization.

20001210001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106389414950 (or 106389414948 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20001210001012 its reverse (21010001210002), we get a palindrome (41011211211014).

The spelling of 20001210001012 in words is "twenty trillion, one billion, two hundred ten million, one thousand, twelve".