1201120120000 has 70 divisors (see below), whose sum is σ = 2978387632748. Its totient is φ = 480448032000.

The previous prime is 1201120119989. The next prime is 1201120120007. The reversal of 1201120120000 is 210211021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1201120120007) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 14974002 + ... + 15054001.

Almost surely, 2^{1201120120000} is an apocalyptic number.

1201120120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201120120000 is an abundant number, since it is smaller than the sum of its proper divisors (1777267512748).

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

1201120120000 is an frugal number, since it uses more digits than its factorization.

1201120120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30028035 (or 30028010 counting only the distinct ones).

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

Adding to 1201120120000 its reverse (210211021), we get a palindrome (1201330331021).

The spelling of 1201120120000 in words is "one trillion, two hundred one billion, one hundred twenty million, one hundred twenty thousand".