120212040222 has 112 divisors (see below), whose sum is σ = 275735674368. Its totient is φ = 39280522320.

The previous prime is 120212040197. The next prime is 120212040233. The reversal of 120212040222 is 222040212021.

120212040222 is a `hidden beast` number, since 120 + 2 + 120 + 402 + 22 = 666.

It is a super-2 number, since 2×120212040222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120212040195 and 120212040204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 15849043 + ... + 15856625.

It is an arithmetic number, because the mean of its divisors is an integer number (2461925664).

Almost surely, 2^120212040222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120212040222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137867837184).

120212040222 is an abundant number, since it is smaller than the sum of its proper divisors (155523634146).

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

120212040222 is an equidigital number, since it uses as much as digits as its factorization.

120212040222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817 (or 7802 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 120212040222 its reverse (222040212021), we get a palindrome (342252252243).

The spelling of 120212040222 in words is "one hundred twenty billion, two hundred twelve million, forty thousand, two hundred twenty-two".