80012112220 has 12 divisors (see below), whose sum is σ = 168025435704. Its totient is φ = 32004844880.

The previous prime is 80012112209. The next prime is 80012112221. The reversal of 80012112220 is 2221121008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80012112221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000302786 + ... + 2000302825.

It is an arithmetic number, because the mean of its divisors is an integer number (14002119642).

Almost surely, 2^80012112220 is an apocalyptic number.

It is an amenable number.

80012112220 is an abundant number, since it is smaller than the sum of its proper divisors (88013323484).

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

80012112220 is a wasteful number, since it uses less digits than its factorization.

80012112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000605620 (or 4000605618 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 80012112220 its reverse (2221121008), we get a palindrome (82233233228).

The spelling of 80012112220 in words is "eighty billion, twelve million, one hundred twelve thousand, two hundred twenty".