8713062121000 has 128 divisors (see below), whose sum is σ = 20737549497600. Its totient is φ = 3425588947200.

The previous prime is 8713062120991. The next prime is 8713062121037. The reversal of 8713062121000 is 1212603178.

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, 688936677 + ... + 688949323.

It is an arithmetic number, because the mean of its divisors is an integer number (162012105450).

Almost surely, 2^{8713062121000} 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 8713062121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10368774748800).

8713062121000 is an abundant number, since it is smaller than the sum of its proper divisors (12024487376600).

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

8713062121000 is a wasteful number, since it uses less digits than its factorization.

8713062121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24404 (or 24390 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

Adding to 8713062121000 its reverse (1212603178), we get a palindrome (8714274724178).

The spelling of 8713062121000 in words is "eight trillion, seven hundred thirteen billion, sixty-two million, one hundred twenty-one thousand".