18010000010012 has 24 divisors (see below), whose sum is σ = 32290907574240. Its totient is φ = 8786641489920.

The previous prime is 18010000009957. The next prime is 18010000010059. The reversal of 18010000010012 is 21001000001081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326856437 + ... + 326911532.

It is an arithmetic number, because the mean of its divisors is an integer number (1345454482260).

Almost surely, 2^{18010000010012} is an apocalyptic number.

It is an amenable number.

18010000010012 is a deficient number, since it is larger than the sum of its proper divisors (14280907564228).

18010000010012 is a wasteful number, since it uses less digits than its factorization.

18010000010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653768141 (or 653768139 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 18010000010012 its reverse (21001000001081), we get a palindrome (39011000011093).

The spelling of 18010000010012 in words is "eighteen trillion, ten billion, ten thousand, twelve".