103404013212 has 24 divisors (see below), whose sum is σ = 249595894800. Its totient is φ = 33279452416.

The previous prime is 103404013159. The next prime is 103404013213. The reversal of 103404013212 is 212310404301.

It is a super-3 number, since 3×103404013212³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103404013213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148568637 + ... + 148569332.

It is an arithmetic number, because the mean of its divisors is an integer number (10399828950).

Almost surely, 2^103404013212 is an apocalyptic number.

103404013212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103404013212 is an abundant number, since it is smaller than the sum of its proper divisors (146191881588).

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

103404013212 is a wasteful number, since it uses less digits than its factorization.

103404013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297138005 (or 297138003 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 103404013212 its reverse (212310404301), we get a palindrome (315714417513).

The spelling of 103404013212 in words is "one hundred three billion, four hundred four million, thirteen thousand, two hundred twelve".