312221332201020 has 96 divisors (see below), whose sum is σ = 953921275566336. Its totient is φ = 75672002112000.

The previous prime is 312221332200961. The next prime is 312221332201073. The reversal of 312221332201020 is 20102233122213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53530914 + ... + 59076233.

It is an arithmetic number, because the mean of its divisors is an integer number (9936679953816).

Almost surely, 2^{312221332201020} is an apocalyptic number.

312221332201020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312221332201020 is an abundant number, since it is smaller than the sum of its proper divisors (641699943365316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312221332201020 is a wasteful number, since it uses less digits than its factorization.

312221332201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112611371 (or 112611369 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 312221332201020 its reverse (20102233122213), we get a palindrome (332323565323233).

The spelling of 312221332201020 in words is "three hundred twelve trillion, two hundred twenty-one billion, three hundred thirty-two million, two hundred one thousand, twenty".