3123201230312 has 32 divisors (see below), whose sum is σ = 5943580612320. Its totient is φ = 1538247775680.

The previous prime is 3123201230311. The next prime is 3123201230371. The reversal of 3123201230312 is 2130321023213.

It is not an unprimeable number, because it can be changed into a prime (3123201230311) 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, 24848987 + ... + 24974357.

It is an arithmetic number, because the mean of its divisors is an integer number (185736894135).

Almost surely, 2^{3123201230312} is an apocalyptic number.

It is an amenable number.

3123201230312 is a deficient number, since it is larger than the sum of its proper divisors (2820379382008).

3123201230312 is a wasteful number, since it uses less digits than its factorization.

3123201230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171921 (or 171917 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3123201230312 its reverse (2130321023213), we get a palindrome (5253522253525).

The spelling of 3123201230312 in words is "three trillion, one hundred twenty-three billion, two hundred one million, two hundred thirty thousand, three hundred twelve".