120001100102000 has 80 divisors (see below), whose sum is σ = 312482864733312. Its totient is φ = 44308098489600.

The previous prime is 120001100101951. The next prime is 120001100102003. The reversal of 120001100102000 is 201001100021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001100102003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2307687464 + ... + 2307739463.

Almost surely, 2^{120001100102000} is an apocalyptic number.

120001100102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001100102000 is an abundant number, since it is smaller than the sum of its proper divisors (192481764631312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120001100102000 is a wasteful number, since it uses less digits than its factorization.

120001100102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615426963 (or 4615426947 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 120001100102000 its reverse (201001100021), we get a palindrome (120202101202021).

It can be divided in two parts, 120001 and 100102000, that added together give a palindrome (100222001).

The spelling of 120001100102000 in words is "one hundred twenty trillion, one billion, one hundred million, one hundred two thousand".