80412100 has 72 divisors (see below), whose sum is σ = 181807808. Its totient is φ = 30844800.

The previous prime is 80412097. The next prime is 80412113. The reversal of 80412100 is 121408.

It is a happy number.

It is a super-2 number, since 2×80412100² = 12932211652820000, which contains 22 as substring.

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, 380995 + ... + 381205.

Almost surely, 2^80412100 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 80412100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90903904).

80412100 is an abundant number, since it is smaller than the sum of its proper divisors (101395708).

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

80412100 is a wasteful number, since it uses less digits than its factorization.

80412100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 80412100 is about 8967.2794090516. The cubic root of 80412100 is about 431.6255399931.

Adding to 80412100 its reverse (121408), we get a palindrome (80533508).

The spelling of 80412100 in words is "eighty million, four hundred twelve thousand, one hundred".