120001111301220 has 48 divisors (see below), whose sum is σ = 336624189574848. Its totient is φ = 31941146067840.

The previous prime is 120001111301189. The next prime is 120001111301221. The reversal of 120001111301220 is 22103111100021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120001111301220.

It is not an unprimeable number, because it can be changed into a prime (120001111301221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848413494 + ... + 1848478413.

It is an arithmetic number, because the mean of its divisors is an integer number (7013003949476).

Almost surely, 2^{120001111301220} is an apocalyptic number.

120001111301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001111301220 is an abundant number, since it is smaller than the sum of its proper divisors (216623078273628).

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

120001111301220 is a wasteful number, since it uses less digits than its factorization.

120001111301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696892460 (or 3696892458 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 120001111301220 its reverse (22103111100021), we get a palindrome (142104222401241).

The spelling of 120001111301220 in words is "one hundred twenty trillion, one billion, one hundred eleven million, three hundred one thousand, two hundred twenty".