120112221212 has 12 divisors (see below), whose sum is σ = 210255472560. Its totient is φ = 60039229056.

The previous prime is 120112221197. The next prime is 120112221223. The reversal of 120112221212 is 212122211021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4204373 + ... + 4232844.

It is an arithmetic number, because the mean of its divisors is an integer number (17521289380).

Almost surely, 2^120112221212 is an apocalyptic number.

It is an amenable number.

120112221212 is a deficient number, since it is larger than the sum of its proper divisors (90143251348).

120112221212 is a wasteful number, since it uses less digits than its factorization.

120112221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440780 (or 8440778 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120112221212 its reverse (212122211021), we get a palindrome (332234432233).

The spelling of 120112221212 in words is "one hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, two hundred twelve".