120311211200 has 84 divisors (see below), whose sum is σ = 296156100600. Its totient is φ = 48105738240.

The previous prime is 120311211197. The next prime is 120311211217. The reversal of 120311211200 is 2112113021.

It is a super-2 number, since 2×120311211200² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4535576 + ... + 4562024.

Almost surely, 2^120311211200 is an apocalyptic number.

120311211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120311211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148078050300).

120311211200 is an abundant number, since it is smaller than the sum of its proper divisors (175844889400).

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

120311211200 is a wasteful number, since it uses less digits than its factorization.

120311211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29314 (or 29299 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120311211200 its reverse (2112113021), we get a palindrome (122423324221).

The spelling of 120311211200 in words is "one hundred twenty billion, three hundred eleven million, two hundred eleven thousand, two hundred".