100120001002012 has 12 divisors (see below), whose sum is σ = 184431580793320. Its totient is φ = 47425263632496.

The previous prime is 100120001002003. The next prime is 100120001002039. The reversal of 100120001002012 is 210200100021001.

It is a self number, because there is not a number n which added to its sum of digits gives 100120001002012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658684217043 + ... + 658684217194.

Almost surely, 2^{100120001002012} is an apocalyptic number.

It is an amenable number.

100120001002012 is a deficient number, since it is larger than the sum of its proper divisors (84311579791308).

100120001002012 is a wasteful number, since it uses less digits than its factorization.

100120001002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317368434260 (or 1317368434258 counting only the distinct ones).

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

Adding to 100120001002012 its reverse (210200100021001), we get a palindrome (310320101023013).

The spelling of 100120001002012 in words is "one hundred trillion, one hundred twenty billion, one million, two thousand, twelve".