1001000011012 has 6 divisors (see below), whose sum is σ = 1751750019278. Its totient is φ = 500500005504.

The previous prime is 1001000010977. The next prime is 1001000011019. The reversal of 1001000011012 is 2101100001001.

It can be written as a sum of positive squares in only one way, i.e., 818000860356 + 182999150656 = 904434^2 + 427784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1001000010986 and 1001000011004.

It is not an unprimeable number, because it can be changed into a prime (1001000011019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125125001373 + ... + 125125001380.

Almost surely, 2^{1001000011012} is an apocalyptic number.

It is an amenable number.

1001000011012 is a deficient number, since it is larger than the sum of its proper divisors (750750008266).

1001000011012 is a wasteful number, since it uses less digits than its factorization.

1001000011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250250002757 (or 250250002755 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1001000011012 its reverse (2101100001001), we get a palindrome (3102100012013).

The spelling of 1001000011012 in words is "one trillion, one billion, eleven thousand, twelve".