104123353212 has 36 divisors (see below), whose sum is σ = 265121883936. Its totient is φ = 34454441280.

The previous prime is 104123353163. The next prime is 104123353241. The reversal of 104123353212 is 212353321401.

104123353212 is a `hidden beast` number, since 1 + 0 + 4 + 1 + 2 + 335 + 321 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×104123353212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10550964 + ... + 10560827.

It is an arithmetic number, because the mean of its divisors is an integer number (7364496776).

Almost surely, 2^104123353212 is an apocalyptic number.

104123353212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104123353212 is an abundant number, since it is smaller than the sum of its proper divisors (160998530724).

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

104123353212 is a wasteful number, since it uses less digits than its factorization.

104123353212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21111938 (or 21111933 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 104123353212 its reverse (212353321401), we get a palindrome (316476674613).

The spelling of 104123353212 in words is "one hundred four billion, one hundred twenty-three million, three hundred fifty-three thousand, two hundred twelve".