21074159244312 has 384 divisors, whose sum is σ = 62891551008000. Its totient is φ = 6515935902720.

The previous prime is 21074159244301. The next prime is 21074159244349. The reversal of 21074159244312 is 21344295147012.

21074159244312 is a `hidden beast` number, since 2 + 1 + 0 + 7 + 4 + 1 + 592 + 4 + 43 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14444248239 + ... + 14444249697.

It is an arithmetic number, because the mean of its divisors is an integer number (163780080750).

Almost surely, 2^{21074159244312} 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 21074159244312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31445775504000).

21074159244312 is an abundant number, since it is smaller than the sum of its proper divisors (41817391763688).

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

21074159244312 is a wasteful number, since it uses less digits than its factorization.

21074159244312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 2135 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 21074159244312 in words is "twenty-one trillion, seventy-four billion, one hundred fifty-nine million, two hundred forty-four thousand, three hundred twelve".