10000001012 has 6 divisors (see below), whose sum is σ = 17500001778. Its totient is φ = 5000000504.

The previous prime is 10000000999. The next prime is 10000001041. The reversal of 10000001012 is 21010000001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6284367076 + 3715633936 = 79274^2 + 60956^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10000000987 and 10000001005.

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, 1250000123 + ... + 1250000130.

It is an arithmetic number, because the mean of its divisors is an integer number (2916666963).

Almost surely, 2^10000001012 is an apocalyptic number.

It is an amenable number.

10000001012 is a deficient number, since it is larger than the sum of its proper divisors (7500000766).

10000001012 is a wasteful number, since it uses less digits than its factorization.

10000001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500000257 (or 2500000255 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 10000001012 its reverse (21010000001), we get a palindrome (31010001013).

The spelling of 10000001012 in words is "ten billion, one thousand, twelve".