120001103205 has 16 divisors (see below), whose sum is σ = 192109856064. Its totient is φ = 63964558080.

The previous prime is 120001103161. The next prime is 120001103213. The reversal of 120001103205 is 502301100021.

It is not a de Polignac number, because 120001103205 - 2¹⁰ = 120001102181 is a prime.

It is a super-2 number, since 2×120001103205² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224351 + ... + 2277660.

It is an arithmetic number, because the mean of its divisors is an integer number (12006866004).

Almost surely, 2^120001103205 is an apocalyptic number.

120001103205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120001103205 is a deficient number, since it is larger than the sum of its proper divisors (72108752859).

120001103205 is a wasteful number, since it uses less digits than its factorization.

120001103205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503796.

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 120001103205 its reverse (502301100021), we get a palindrome (622302203226).

The spelling of 120001103205 in words is "one hundred twenty billion, one million, one hundred three thousand, two hundred five".