1200032123120 has 40 divisors (see below), whose sum is σ = 2796733653840. Its totient is φ = 478867220480.

The previous prime is 1200032123117. The next prime is 1200032123141. The reversal of 1200032123120 is 213212300021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17866721 + ... + 17933760.

It is an arithmetic number, because the mean of its divisors is an integer number (69918341346).

Almost surely, 2^{1200032123120} is an apocalyptic number.

1200032123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200032123120 is an abundant number, since it is smaller than the sum of its proper divisors (1596701530720).

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

1200032123120 is a wasteful number, since it uses less digits than its factorization.

1200032123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35800913 (or 35800907 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1200032123120 its reverse (213212300021), we get a palindrome (1413244423141).

The spelling of 1200032123120 in words is "one trillion, two hundred billion, thirty-two million, one hundred twenty-three thousand, one hundred twenty".