80542828212 has 288 divisors, whose sum is σ = 248209920000. Its totient is φ = 20084762880.

The previous prime is 80542828211. The next prime is 80542828253. The reversal of 80542828212 is 21282824508.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80542828211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16109289 + ... + 16114287.

It is an arithmetic number, because the mean of its divisors is an integer number (861840000).

Almost surely, 2^80542828212 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 80542828212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124104960000).

80542828212 is an abundant number, since it is smaller than the sum of its proper divisors (167667091788).

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

80542828212 is a wasteful number, since it uses less digits than its factorization.

80542828212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131 (or 5122 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 80542828212 in words is "eighty billion, five hundred forty-two million, eight hundred twenty-eight thousand, two hundred twelve".