120011220040 has 16 divisors (see below), whose sum is σ = 270025245180. Its totient is φ = 48004488000.

The previous prime is 120011219957. The next prime is 120011220067. The reversal of 120011220040 is 40022110021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109072988644 + 10938231396 = 330262^2 + 104586^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120011220040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500140211 + ... + 1500140290.

Almost surely, 2^120011220040 is an apocalyptic number.

120011220040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011220040 is an abundant number, since it is smaller than the sum of its proper divisors (150014025140).

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

120011220040 is a wasteful number, since it uses less digits than its factorization.

120011220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000280512 (or 3000280508 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120011220040 its reverse (40022110021), we get a palindrome (160033330061).

The spelling of 120011220040 in words is "one hundred twenty billion, eleven million, two hundred twenty thousand, forty".