1200120001102 has 8 divisors (see below), whose sum is σ = 1963832729112. Its totient is φ = 545509091400.

The previous prime is 1200120001061. The next prime is 1200120001147. The reversal of 1200120001102 is 2011000210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 27275454549 + ... + 27275454592.

It is an arithmetic number, because the mean of its divisors is an integer number (245479091139).

Almost surely, 2^{1200120001102} is an apocalyptic number.

1200120001102 is a deficient number, since it is larger than the sum of its proper divisors (763712728010).

1200120001102 is a wasteful number, since it uses less digits than its factorization.

1200120001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54550909154.

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

Adding to 1200120001102 its reverse (2011000210021), we get a palindrome (3211120211123).

The spelling of 1200120001102 in words is "one trillion, two hundred billion, one hundred twenty million, one thousand, one hundred two".