120101221212 has 48 divisors (see below), whose sum is σ = 320534226432. Its totient is φ = 34286316480.

The previous prime is 120101221211. The next prime is 120101221241. The reversal of 120101221212 is 212122101021.

It is a super-2 number, since 2×120101221212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120101221191 and 120101221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101221211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487464 + ... + 691247.

It is an arithmetic number, because the mean of its divisors is an integer number (6677796384).

Almost surely, 2^120101221212 is an apocalyptic number.

120101221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120101221212 is an abundant number, since it is smaller than the sum of its proper divisors (200433005220).

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

120101221212 is a wasteful number, since it uses less digits than its factorization.

120101221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179938 (or 1179936 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120101221212 its reverse (212122101021), we get a palindrome (332223322233).

The spelling of 120101221212 in words is "one hundred twenty billion, one hundred one million, two hundred twenty-one thousand, two hundred twelve".