104131311212 has 24 divisors (see below), whose sum is σ = 184326245376. Its totient is φ = 51468468048.

The previous prime is 104131311209. The next prime is 104131311223. The reversal of 104131311212 is 212113131401.

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, 7493 + ... + 456419.

It is an arithmetic number, because the mean of its divisors is an integer number (7680260224).

Almost surely, 2^104131311212 is an apocalyptic number.

It is an amenable number.

104131311212 is a deficient number, since it is larger than the sum of its proper divisors (80194934164).

104131311212 is a wasteful number, since it uses less digits than its factorization.

104131311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449597 (or 449595 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 104131311212 its reverse (212113131401), we get a palindrome (316244442613).

The spelling of 104131311212 in words is "one hundred four billion, one hundred thirty-one million, three hundred eleven thousand, two hundred twelve".