1212324103231 has 16 divisors (see below), whose sum is σ = 1363154680800. Its totient is φ = 1071391684608.

The previous prime is 1212324103223. The next prime is 1212324103241. The reversal of 1212324103231 is 1323014232121.

It is not a de Polignac number, because 1212324103231 - 2³ = 1212324103223 is a prime.

It is a super-2 number, since 2×1212324103231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212324103196 and 1212324103205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212324103241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16571136 + ... + 16644133.

It is an arithmetic number, because the mean of its divisors is an integer number (85197167550).

Almost surely, 2^{1212324103231} is an apocalyptic number.

1212324103231 is a deficient number, since it is larger than the sum of its proper divisors (150830577569).

1212324103231 is a wasteful number, since it uses less digits than its factorization.

1212324103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33215418.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1212324103231 its reverse (1323014232121), we get a palindrome (2535338335352).

The spelling of 1212324103231 in words is "one trillion, two hundred twelve billion, three hundred twenty-four million, one hundred three thousand, two hundred thirty-one".