12103312002 has 16 divisors (see below), whose sum is σ = 24244395552. Its totient is φ = 4028142080.

The previous prime is 12103311901. The next prime is 12103312007. The reversal of 12103312002 is 20021330121.

It is a super-2 number, since 2×12103312002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12103312007) 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, 1569648 + ... + 1577339.

It is an arithmetic number, because the mean of its divisors is an integer number (1515274722).

Almost surely, 2^12103312002 is an apocalyptic number.

12103312002 is an abundant number, since it is smaller than the sum of its proper divisors (12141083550).

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

12103312002 is a wasteful number, since it uses less digits than its factorization.

12103312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147633.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12103312002 its reverse (20021330121), we get a palindrome (32124642123).

The spelling of 12103312002 in words is "twelve billion, one hundred three million, three hundred twelve thousand, two".