1012001311012 has 24 divisors (see below), whose sum is σ = 1782025769216. Its totient is φ = 502860680928.

The previous prime is 1012001311003. The next prime is 1012001311109. The reversal of 1012001311012 is 2101131002101.

It is a happy number.

It is a super-3 number, since 3×1012001311012³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012001310983 and 1012001311001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776148 + ... + 1620619.

Almost surely, 2^{1012001311012} is an apocalyptic number.

It is an amenable number.

1012001311012 is a deficient number, since it is larger than the sum of its proper divisors (770024458204).

1012001311012 is a wasteful number, since it uses less digits than its factorization.

1012001311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397427 (or 2397425 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1012001311012 its reverse (2101131002101), we get a palindrome (3113132313113).

The spelling of 1012001311012 in words is "one trillion, twelve billion, one million, three hundred eleven thousand, twelve".