1201230332312 has 16 divisors (see below), whose sum is σ = 2252349246840. Its totient is φ = 600603866496.

The previous prime is 1201230332251. The next prime is 1201230332317. The reversal of 1201230332312 is 2132330321021.

It is a super-2 number, since 2×1201230332312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201230332317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951818 + ... + 1818905.

Almost surely, 2^{1201230332312} is an apocalyptic number.

It is an amenable number.

1201230332312 is a deficient number, since it is larger than the sum of its proper divisors (1051118914528).

1201230332312 is a wasteful number, since it uses less digits than its factorization.

1201230332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824922 (or 2824918 counting only the distinct ones).

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

Adding to 1201230332312 its reverse (2132330321021), we get a palindrome (3333560653333).

The spelling of 1201230332312 in words is "one trillion, two hundred one billion, two hundred thirty million, three hundred thirty-two thousand, three hundred twelve".