2127203488720 has 40 divisors (see below), whose sum is σ = 5066376121800. Its totient is φ = 830128189440.

The previous prime is 2127203488717. The next prime is 2127203488723. The reversal of 2127203488720 is 278843027212.

It is an interprime number because it is at equal distance from previous prime (2127203488717) and next prime (2127203488723).

It can be written as a sum of positive squares in 4 ways, for example, as 240107840064 + 1887095648656 = 490008^2 + 1373716^2 .

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

It is a super-3 number, since 3×2127203488720³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127203488723) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 324265545 + ... + 324272104.

It is an arithmetic number, because the mean of its divisors is an integer number (126659403045).

Almost surely, 2^{2127203488720} is an apocalyptic number.

2127203488720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2127203488720 is an abundant number, since it is smaller than the sum of its proper divisors (2939172633080).

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

2127203488720 is a wasteful number, since it uses less digits than its factorization.

2127203488720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648537703 (or 648537697 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 2127203488720 in words is "two trillion, one hundred twenty-seven billion, two hundred three million, four hundred eighty-eight thousand, seven hundred twenty".