1200001103310 has 128 divisors (see below), whose sum is σ = 3076343193600. Its totient is φ = 298909416960.

The previous prime is 1200001103297. The next prime is 1200001103363. The reversal of 1200001103310 is 133011000021.

It is a super-5 number, since 5×1200001103310⁵ (a number of 62 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

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 63 ways as a sum of consecutive naturals, for example, 171498732 + ... + 171505728.

It is an arithmetic number, because the mean of its divisors is an integer number (24033931200).

Almost surely, 2^{1200001103310} is an apocalyptic number.

1200001103310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200001103310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538171596800).

1200001103310 is an abundant number, since it is smaller than the sum of its proper divisors (1876342090290).

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

1200001103310 is a wasteful number, since it uses less digits than its factorization.

1200001103310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13426.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1200001103310 its reverse (133011000021), we get a palindrome (1333012103331).

The spelling of 1200001103310 in words is "one trillion, two hundred billion, one million, one hundred three thousand, three hundred ten".