104020212 has 96 divisors (see below), whose sum is σ = 276756480. Its totient is φ = 30205440.

The previous prime is 104020211. The next prime is 104020219. The reversal of 104020212 is 212020401.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104020211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181887 + ... + 182457.

It is an arithmetic number, because the mean of its divisors is an integer number (2882880).

Almost surely, 2^104020212 is an apocalyptic number.

104020212 is a gapful number since it is divisible by the number (12) 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 104020212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138378240).

104020212 is an abundant number, since it is smaller than the sum of its proper divisors (172736268).

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

104020212 is a wasteful number, since it uses less digits than its factorization.

104020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 104020212 is about 10199.0299538731. The cubic root of 104020212 is about 470.2974004277.

Adding to 104020212 its reverse (212020401), we get a palindrome (316040613).

The spelling of 104020212 in words is "one hundred four million, twenty thousand, two hundred twelve".