312212343332432 has 20 divisors (see below), whose sum is σ = 610784341571040. Its totient is φ = 154590577765728.

The previous prime is 312212343332339. The next prime is 312212343332437. The reversal of 312212343332432 is 234233343212213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212343332437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94724617082 + ... + 94724620377.

It is an arithmetic number, because the mean of its divisors is an integer number (30539217078552).

Almost surely, 2^{312212343332432} is an apocalyptic number.

It is an amenable number.

312212343332432 is a deficient number, since it is larger than the sum of its proper divisors (298571998238608).

312212343332432 is a wasteful number, since it uses less digits than its factorization.

312212343332432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189449237570 (or 189449237564 counting only the distinct ones).

The product of its digits is 373248, while the sum is 38.

Adding to 312212343332432 its reverse (234233343212213), we get a palindrome (546445686544645).

The spelling of 312212343332432 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred forty-three million, three hundred thirty-two thousand, four hundred thirty-two".