120100223220 has 48 divisors (see below), whose sum is σ = 353979608640. Its totient is φ = 30341108736.

The previous prime is 120100223213. The next prime is 120100223249. The reversal of 120100223220 is 22322001021.

It is a happy number.

It is a super-4 number, since 4×120100223220⁴ (a number of 45 digits) contains 4444 as substring.

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 120100223220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52674397 + ... + 52676676.

It is an arithmetic number, because the mean of its divisors is an integer number (7374575180).

Almost surely, 2^120100223220 is an apocalyptic number.

120100223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100223220 is an abundant number, since it is smaller than the sum of its proper divisors (233879385420).

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

120100223220 is a wasteful number, since it uses less digits than its factorization.

120100223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105351104 (or 105351102 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 120100223220 its reverse (22322001021), we get a palindrome (142422224241).

The spelling of 120100223220 in words is "one hundred twenty billion, one hundred million, two hundred twenty-three thousand, two hundred twenty".