3122995840000 has 275 divisors, whose sum is σ = 7970771011027. Its totient is φ = 1222619648000.

The previous prime is 3122995839989. The next prime is 3122995840009. The reversal of 3122995840000 is 485992213.

The square root of 3122995840000 is 1767200.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 244842873856 + 2878152966144 = 494816^2 + 1696512^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=940.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122995840009) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 66446719977 + ... + 66446720023.

Almost surely, 2^{3122995840000} is an apocalyptic number.

3122995840000 is the 1767200-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3122995840000

3122995840000 is an abundant number, since it is smaller than the sum of its proper divisors (4847775171027).

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

3122995840000 is an frugal number, since it uses more digits than its factorization.

3122995840000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 3122995840000 in words is "three trillion, one hundred twenty-two billion, nine hundred ninety-five million, eight hundred forty thousand".