12103031212330 has 64 divisors (see below), whose sum is σ = 23559130713600. Its totient is φ = 4459226563584.

The previous prime is 12103031212273. The next prime is 12103031212331. The reversal of 12103031212330 is 3321213030121.

It is not an unprimeable number, because it can be changed into a prime (12103031212331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181331644 + ... + 181398376.

It is an arithmetic number, because the mean of its divisors is an integer number (368111417400).

Almost surely, 2^{12103031212330} is an apocalyptic number.

12103031212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12103031212330 is a deficient number, since it is larger than the sum of its proper divisors (11456099501270).

12103031212330 is a wasteful number, since it uses less digits than its factorization.

12103031212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89503.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12103031212330 its reverse (3321213030121), we get a palindrome (15424244242451).

The spelling of 12103031212330 in words is "twelve trillion, one hundred three billion, thirty-one million, two hundred twelve thousand, three hundred thirty".