20010102001012 has 6 divisors (see below), whose sum is σ = 35017678501778. Its totient is φ = 10005051000504.

The previous prime is 20010102001003. The next prime is 20010102001031. The reversal of 20010102001012 is 21010020101002.

It can be written as a sum of positive squares in only one way, i.e., 18755603439076 + 1254498561936 = 4330774^2 + 1120044^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20010102001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501262750123 + ... + 2501262750130.

Almost surely, 2^{20010102001012} is an apocalyptic number.

It is an amenable number.

20010102001012 is a deficient number, since it is larger than the sum of its proper divisors (15007576500766).

20010102001012 is a wasteful number, since it uses less digits than its factorization.

20010102001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002525500257 (or 5002525500255 counting only the distinct ones).

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

Adding to 20010102001012 its reverse (21010020101002), we get a palindrome (41020122102014).

The spelling of 20010102001012 in words is "twenty trillion, ten billion, one hundred two million, one thousand, twelve".