312212021032 has 8 divisors (see below), whose sum is σ = 585397539450. Its totient is φ = 156106010512.

The previous prime is 312212021003. The next prime is 312212021041. The reversal of 312212021032 is 230120212213.

It can be written as a sum of positive squares in only one way, i.e., 192006970596 + 120205050436 = 438186^2 + 346706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 19513251307 + ... + 19513251322.

Almost surely, 2^312212021032 is an apocalyptic number.

It is an amenable number.

312212021032 is a deficient number, since it is larger than the sum of its proper divisors (273185518418).

312212021032 is a wasteful number, since it uses less digits than its factorization.

312212021032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39026502635 (or 39026502631 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312212021032 its reverse (230120212213), we get a palindrome (542332233245).

The spelling of 312212021032 in words is "three hundred twelve billion, two hundred twelve million, twenty-one thousand, thirty-two".