2124728443620 has 96 divisors (see below), whose sum is σ = 6615125475840. Its totient is φ = 566177748480.

The previous prime is 2124728443571. The next prime is 2124728443633. The reversal of 2124728443620 is 263448274212.

2124728443620 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 7 + 284 + 4 + 362 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 710572 + ... + 2180451.

It is an arithmetic number, because the mean of its divisors is an integer number (68907557040).

Almost surely, 2^{2124728443620} is an apocalyptic number.

2124728443620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124728443620 is an abundant number, since it is smaller than the sum of its proper divisors (4490397032220).

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

2124728443620 is a wasteful number, since it uses less digits than its factorization.

2124728443620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892402 (or 2892394 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 2124728443620 in words is "two trillion, one hundred twenty-four billion, seven hundred twenty-eight million, four hundred forty-three thousand, six hundred twenty".