120001322021200 has 120 divisors (see below), whose sum is σ = 291820935479040. Its totient is φ = 47417011008000.

The previous prime is 120001322021179. The next prime is 120001322021201. The reversal of 120001322021200 is 2120223100021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001322021201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14352537 + ... + 21118663.

It is an arithmetic number, because the mean of its divisors is an integer number (2431841128992).

Almost surely, 2^{120001322021200} is an apocalyptic number.

120001322021200 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 120001322021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145910467739520).

120001322021200 is an abundant number, since it is smaller than the sum of its proper divisors (171819613457840).

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

120001322021200 is a wasteful number, since it uses less digits than its factorization.

120001322021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766685 (or 6766674 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120001322021200 its reverse (2120223100021), we get a palindrome (122121545121221).

The spelling of 120001322021200 in words is "one hundred twenty trillion, one billion, three hundred twenty-two million, twenty-one thousand, two hundred".