1200201120120 has 32 divisors (see below), whose sum is σ = 3600603360720. Its totient is φ = 320053632000.

The previous prime is 1200201120119. The next prime is 1200201120121. The reversal of 1200201120120 is 210211020021.

It is an interprime number because it is at equal distance from previous prime (1200201120119) and next prime (1200201120121).

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 = 1200201120096 and 1200201120105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200201120121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5000837881 + ... + 5000838120.

Almost surely, 2^{1200201120120} is an apocalyptic number.

1200201120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200201120120 is an abundant number, since it is smaller than the sum of its proper divisors (2400402240600).

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

1200201120120 is a wasteful number, since it uses less digits than its factorization.

1200201120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001676015 (or 10001676011 counting only the distinct ones).

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

Adding to 1200201120120 its reverse (210211020021), we get a palindrome (1410412140141).

The spelling of 1200201120120 in words is "one trillion, two hundred billion, two hundred one million, one hundred twenty thousand, one hundred twenty".