120989012 has 6 divisors (see below), whose sum is σ = 211730778. Its totient is φ = 60494504.

The previous prime is 120988997. The next prime is 120989021. The reversal of 120989012 is 210989021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 114618436 + 6370576 = 10706^2 + 2524^2 .

It is a super-2 number, since 2×120989012² = 29276682049472288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120989012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15123623 + ... + 15123630.

It is an arithmetic number, because the mean of its divisors is an integer number (35288463).

Almost surely, 2^120989012 is an apocalyptic number.

It is an amenable number.

120989012 is a deficient number, since it is larger than the sum of its proper divisors (90741766).

120989012 is a wasteful number, since it uses less digits than its factorization.

120989012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30247257 (or 30247255 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 120989012 is about 10999.5005341152. The cubic root of 120989012 is about 494.5937720786.

Subtracting 120989012 from its reverse (210989021), we obtain a palindrome (90000009).

The spelling of 120989012 in words is "one hundred twenty million, nine hundred eighty-nine thousand, twelve".