2129425873072 has 20 divisors (see below), whose sum is σ = 4146495110800. Its totient is φ = 1059362618688.

The previous prime is 2129425873061. The next prime is 2129425873129. The reversal of 2129425873072 is 2703785249212.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 334391583 + ... + 334397950.

It is an arithmetic number, because the mean of its divisors is an integer number (207324755540).

Almost surely, 2^{2129425873072} is an apocalyptic number.

It is an amenable number.

2129425873072 is a deficient number, since it is larger than the sum of its proper divisors (2017069237728).

2129425873072 is a wasteful number, since it uses less digits than its factorization.

2129425873072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668789740 (or 668789734 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 2129425873072 in words is "two trillion, one hundred twenty-nine billion, four hundred twenty-five million, eight hundred seventy-three thousand, seventy-two".