12103434402 has 16 divisors (see below), whose sum is σ = 24208800960. Its totient is φ = 4034156112.

The previous prime is 12103434379. The next prime is 12103434419. The reversal of 12103434402 is 20443430121.

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, 8499 + ... + 155817.

It is an arithmetic number, because the mean of its divisors is an integer number (1513050060).

Almost surely, 2^12103434402 is an apocalyptic number.

12103434402 is an abundant number, since it is smaller than the sum of its proper divisors (12105366558).

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

12103434402 is a wasteful number, since it uses less digits than its factorization.

12103434402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161017.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12103434402 its reverse (20443430121), we get a palindrome (32546864523).

The spelling of 12103434402 in words is "twelve billion, one hundred three million, four hundred thirty-four thousand, four hundred two".