104042121212 has 24 divisors (see below), whose sum is σ = 183914290560. Its totient is φ = 51495393600.

The previous prime is 104042121199. The next prime is 104042121241. The reversal of 104042121212 is 212121240401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160614 + ... + 2208242.

It is an arithmetic number, because the mean of its divisors is an integer number (7663095440).

Almost surely, 2^104042121212 is an apocalyptic number.

It is an amenable number.

104042121212 is a deficient number, since it is larger than the sum of its proper divisors (79872169348).

104042121212 is a wasteful number, since it uses less digits than its factorization.

104042121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53141 (or 53139 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 104042121212 its reverse (212121240401), we get a palindrome (316163361613).

The spelling of 104042121212 in words is "one hundred four billion, forty-two million, one hundred twenty-one thousand, two hundred twelve".