120000022012220 has 96 divisors (see below), whose sum is σ = 292344571857408. Its totient is φ = 40522412443392.

The previous prime is 120000022012163. The next prime is 120000022012259. The reversal of 120000022012220 is 22210220000021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120000022012195 and 120000022012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58775039 + ... + 60782441.

It is an arithmetic number, because the mean of its divisors is an integer number (3045255956848).

Almost surely, 2^{120000022012220} is an apocalyptic number.

120000022012220 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 120000022012220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146172285928704).

120000022012220 is an abundant number, since it is smaller than the sum of its proper divisors (172344549845188).

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

120000022012220 is a wasteful number, since it uses less digits than its factorization.

120000022012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013859 (or 2013857 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 120000022012220 its reverse (22210220000021), we get a palindrome (142210242012241).

The spelling of 120000022012220 in words is "one hundred twenty trillion, twenty-two million, twelve thousand, two hundred twenty".