120001422000 has 320 divisors, whose sum is σ = 394617600000. Its totient is φ = 31365734400.

The previous prime is 120001421989. The next prime is 120001422017. The reversal of 120001422000 is 224100021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 96077376 + ... + 96078624.

It is an arithmetic number, because the mean of its divisors is an integer number (1233180000).

Almost surely, 2^120001422000 is an apocalyptic number.

120001422000 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 120001422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197308800000).

120001422000 is an abundant number, since it is smaller than the sum of its proper divisors (274616178000).

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

120001422000 is a wasteful number, since it uses less digits than its factorization.

120001422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 120001422000 its reverse (224100021), we get a palindrome (120225522021).

The spelling of 120001422000 in words is "one hundred twenty billion, one million, four hundred twenty-two thousand".