2124920387680 has 48 divisors (see below), whose sum is σ = 5020916271840. Its totient is φ = 849834084352.

The previous prime is 2124920387663. The next prime is 2124920387683. The reversal of 2124920387680 is 867830294212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124920387683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26809 + ... + 2061688.

It is an arithmetic number, because the mean of its divisors is an integer number (104602422330).

Almost surely, 2^{2124920387680} is an apocalyptic number.

2124920387680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124920387680 is an abundant number, since it is smaller than the sum of its proper divisors (2895995884160).

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

2124920387680 is a wasteful number, since it uses less digits than its factorization.

2124920387680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094871 (or 2094863 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 2124920387680 in words is "two trillion, one hundred twenty-four billion, nine hundred twenty million, three hundred eighty-seven thousand, six hundred eighty".