5621854468212 has 192 divisors, whose sum is σ = 15468516000000. Its totient is φ = 1763040577536.

The previous prime is 5621854468201. The next prime is 5621854468213. The reversal of 5621854468212 is 2128644581265.

5621854468212 is a `hidden beast` number, since 5 + 6 + 2 + 1 + 8 + 544 + 6 + 82 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621854468213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18828664 + ... + 19124912.

It is an arithmetic number, because the mean of its divisors is an integer number (80565187500).

Almost surely, 2^{5621854468212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5621854468212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7734258000000).

5621854468212 is an abundant number, since it is smaller than the sum of its proper divisors (9846661531788).

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

5621854468212 is a wasteful number, since it uses less digits than its factorization.

5621854468212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296447 (or 296439 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 54.

The spelling of 5621854468212 in words is "five trillion, six hundred twenty-one billion, eight hundred fifty-four million, four hundred sixty-eight thousand, two hundred twelve".