120212222221212 has 384 divisors, whose sum is σ = 324724355923968. Its totient is φ = 34257715430400.

The previous prime is 120212222221207. The next prime is 120212222221213. The reversal of 120212222221212 is 212122222212021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212222221213) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33327478713 + ... + 33327482319.

It is an arithmetic number, because the mean of its divisors is an integer number (845636343552).

Almost surely, 2^{120212222221212} is an apocalyptic number.

120212222221212 is a gapful number since it is divisible by the number (12) 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 120212222221212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162362177961984).

120212222221212 is an abundant number, since it is smaller than the sum of its proper divisors (204512133702756).

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

120212222221212 is a wasteful number, since it uses less digits than its factorization.

120212222221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489 (or 4487 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 120212222221212 its reverse (212122222212021), we get a palindrome (332334444433233).

The spelling of 120212222221212 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred twelve".