8221010152012 has 72 divisors (see below), whose sum is σ = 17150473968768. Its totient is φ = 3436020806400.

The previous prime is 8221010151989. The next prime is 8221010152037. The reversal of 8221010152012 is 2102510101228.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20623858 + ... + 21018694.

It is an arithmetic number, because the mean of its divisors is an integer number (238201027344).

Almost surely, 2^{8221010152012} is an apocalyptic number.

8221010152012 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8221010152012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8575236984384).

8221010152012 is an abundant number, since it is smaller than the sum of its proper divisors (8929463816756).

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

8221010152012 is a wasteful number, since it uses less digits than its factorization.

8221010152012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397487 (or 397478 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The spelling of 8221010152012 in words is "eight trillion, two hundred twenty-one billion, ten million, one hundred fifty-two thousand, twelve".