1200220101120 has 80 divisors (see below), whose sum is σ = 3836953660320. Its totient is φ = 320058691584.

The previous prime is 1200220101109. The next prime is 1200220101149. The reversal of 1200220101120 is 211010220021.

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

It is a super-2 number, since 2×1200220101120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1200220101096 and 1200220101105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78131650 + ... + 78147009.

It is an arithmetic number, because the mean of its divisors is an integer number (47961920754).

Almost surely, 2^{1200220101120} is an apocalyptic number.

1200220101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200220101120 is an abundant number, since it is smaller than the sum of its proper divisors (2636733559200).

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

1200220101120 is an equidigital number, since it uses as much as digits as its factorization.

1200220101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156278685 (or 156278669 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200220101120 its reverse (211010220021), we get a palindrome (1411230321141).

The spelling of 1200220101120 in words is "one trillion, two hundred billion, two hundred twenty million, one hundred one thousand, one hundred twenty".