120131021121200 has 30 divisors (see below), whose sum is σ = 288614778244644. Its totient is φ = 48052408448320.

The previous prime is 120131021121197. The next prime is 120131021121257. The reversal of 120131021121200 is 2121120131021.

It is a happy 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 5 ways as a sum of consecutive naturals, for example, 150163776002 + ... + 150163776801.

Almost surely, 2^{120131021121200} is an apocalyptic number.

120131021121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120131021121200 is an abundant number, since it is smaller than the sum of its proper divisors (168483757123444).

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

120131021121200 is a wasteful number, since it uses less digits than its factorization.

120131021121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300327552821 (or 300327552810 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 120131021121200 its reverse (2121120131021), we get a palindrome (122252141252221).

The spelling of 120131021121200 in words is "one hundred twenty trillion, one hundred thirty-one billion, twenty-one million, one hundred twenty-one thousand, two hundred".