80212221208 has 64 divisors (see below), whose sum is σ = 176860998720. Its totient is φ = 33393984000.

The previous prime is 80212221197. The next prime is 80212221259.

80212221208 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×80212221208² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165978 + ... + 433558.

It is an arithmetic number, because the mean of its divisors is an integer number (2763453105).

Almost surely, 2^80212221208 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 80212221208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88430499360).

80212221208 is an abundant number, since it is smaller than the sum of its proper divisors (96648777512).

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

80212221208 is a wasteful number, since it uses less digits than its factorization.

80212221208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267748 (or 267744 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The spelling of 80212221208 in words is "eighty billion, two hundred twelve million, two hundred twenty-one thousand, two hundred eight".