120221222212 has 96 divisors (see below), whose sum is σ = 279214951680. Its totient is φ = 43957831680.

The previous prime is 120221222201. The next prime is 120221222287. The reversal of 120221222212 is 212222122021.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 120221222212.

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, 71568 + ... + 495544.

It is an arithmetic number, because the mean of its divisors is an integer number (2908489080).

Almost surely, 2^120221222212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120221222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139607475840).

120221222212 is an abundant number, since it is smaller than the sum of its proper divisors (158993729468).

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

120221222212 is a wasteful number, since it uses less digits than its factorization.

120221222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424061 (or 424059 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 120221222212 its reverse (212222122021), we get a palindrome (332443344233).

The spelling of 120221222212 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twelve".