120212120220 has 96 divisors (see below), whose sum is σ = 340541832960. Its totient is φ = 31680929280.

The previous prime is 120212120219. The next prime is 120212120221. The reversal of 120212120220 is 22021212021.

It is an interprime number because it is at equal distance from previous prime (120212120219) and next prime (120212120221).

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 120212120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212120221) 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, 14579419 + ... + 14587661.

It is an arithmetic number, because the mean of its divisors is an integer number (3547310760).

Almost surely, 2^120212120220 is an apocalyptic number.

120212120220 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 120212120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170270916480).

120212120220 is an abundant number, since it is smaller than the sum of its proper divisors (220329712740).

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

120212120220 is a wasteful number, since it uses less digits than its factorization.

120212120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075 (or 11073 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120212120220 its reverse (22021212021), we get a palindrome (142233332241).

The spelling of 120212120220 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty".