120012223001000 has 128 divisors (see below), whose sum is σ = 306519684606720. Its totient is φ = 43617844000000.

The previous prime is 120012223000997. The next prime is 120012223001009. The reversal of 120012223001000 is 100322210021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120012223001009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18041405 + ... + 23780595.

It is an arithmetic number, because the mean of its divisors is an integer number (2394685035990).

Almost surely, 2^{120012223001000} is an apocalyptic number.

120012223001000 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 120012223001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153259842303360).

120012223001000 is an abundant number, since it is smaller than the sum of its proper divisors (186507461605720).

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

120012223001000 is a wasteful number, since it uses less digits than its factorization.

120012223001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741124 (or 5741110 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120012223001000 its reverse (100322210021), we get a palindrome (120112545211021).

The spelling of 120012223001000 in words is "one hundred twenty trillion, twelve billion, two hundred twenty-three million, one thousand".