2124454506512 has 20 divisors (see below), whose sum is σ = 4432756038060. Its totient is φ = 980517464448.

The previous prime is 2124454506509. The next prime is 2124454506527. The reversal of 2124454506512 is 2156054544212.

It can be written as a sum of positive squares in 2 ways, for example, as 501541574416 + 1622912932096 = 708196^2 + 1273936^2 .

It is a super-2 number, since 2×2124454506512² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2124454506512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5106861587 + ... + 5106862002.

It is an arithmetic number, because the mean of its divisors is an integer number (221637801903).

Almost surely, 2^{2124454506512} is an apocalyptic number.

It is an amenable number.

2124454506512 is an abundant number, since it is smaller than the sum of its proper divisors (2308301531548).

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

2124454506512 is a wasteful number, since it uses less digits than its factorization.

2124454506512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213723610 (or 10213723604 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 2124454506512 in words is "two trillion, one hundred twenty-four billion, four hundred fifty-four million, five hundred six thousand, five hundred twelve".