2125166034420 has 144 divisors (see below), whose sum is σ = 7573319050752. Its totient is φ = 475561624320.

The previous prime is 2125166034419. The next prime is 2125166034443. The reversal of 2125166034420 is 244306615212.

2125166034420 is a `hidden beast` number, since 2 + 1 + 2 + 5 + 1 + 6 + 603 + 4 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41255652 + ... + 41307131.

It is an arithmetic number, because the mean of its divisors is an integer number (52592493408).

Almost surely, 2^{2125166034420} is an apocalyptic number.

2125166034420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125166034420 is an abundant number, since it is smaller than the sum of its proper divisors (5448153016332).

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

2125166034420 is a wasteful number, since it uses less digits than its factorization.

2125166034420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82562822 (or 82562817 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 2125166034420 in words is "two trillion, one hundred twenty-five billion, one hundred sixty-six million, thirty-four thousand, four hundred twenty".