120144511212 has 96 divisors (see below), whose sum is σ = 319947715584. Its totient is φ = 34763635200.

The previous prime is 120144511189. The next prime is 120144511241. The reversal of 120144511212 is 212115441021.

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, 18198 + ... + 490530.

It is an arithmetic number, because the mean of its divisors is an integer number (3332788704).

Almost surely, 2^120144511212 is an apocalyptic number.

120144511212 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 120144511212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159973857792).

120144511212 is an abundant number, since it is smaller than the sum of its proper divisors (199803204372).

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

120144511212 is a wasteful number, since it uses less digits than its factorization.

120144511212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472439 (or 472437 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 120144511212 its reverse (212115441021), we get a palindrome (332259952233).

The spelling of 120144511212 in words is "one hundred twenty billion, one hundred forty-four million, five hundred eleven thousand, two hundred twelve".