12100311231332 has 6 divisors (see below), whose sum is σ = 21175544654838. Its totient is φ = 6050155615664.

The previous prime is 12100311231331. The next prime is 12100311231343. The reversal of 12100311231332 is 23313211300121.

It can be written as a sum of positive squares in only one way, i.e., 8840964837376 + 3259346393956 = 2973376^2 + 1805366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12100311231298 and 12100311231307.

It is not an unprimeable number, because it can be changed into a prime (12100311231331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512538903913 + ... + 1512538903920.

It is an arithmetic number, because the mean of its divisors is an integer number (3529257442473).

Almost surely, 2^{12100311231332} is an apocalyptic number.

It is an amenable number.

12100311231332 is a deficient number, since it is larger than the sum of its proper divisors (9075233423506).

12100311231332 is a wasteful number, since it uses less digits than its factorization.

12100311231332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025077807837 (or 3025077807835 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12100311231332 its reverse (23313211300121), we get a palindrome (35413522531453).

The spelling of 12100311231332 in words is "twelve trillion, one hundred billion, three hundred eleven million, two hundred thirty-one thousand, three hundred thirty-two".