201001323312212 has 12 divisors (see below), whose sum is σ = 351752469659220. Its totient is φ = 100500617695296.

The previous prime is 201001323312149. The next prime is 201001323312239. The reversal of 201001323312212 is 212213323100102.

It can be written as a sum of positive squares in 2 ways, for example, as 169609103840836 + 31392219471376 = 13023406^2 + 5602876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672614 + ... + 20061282.

It is an arithmetic number, because the mean of its divisors is an integer number (29312705804935).

Almost surely, 2^{201001323312212} is an apocalyptic number.

It is an amenable number.

201001323312212 is a deficient number, since it is larger than the sum of its proper divisors (150751146347008).

201001323312212 is a wasteful number, since it uses less digits than its factorization.

201001323312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21980410 (or 21980408 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 201001323312212 its reverse (212213323100102), we get a palindrome (413214646412314).

The spelling of 201001323312212 in words is "two hundred one trillion, one billion, three hundred twenty-three million, three hundred twelve thousand, two hundred twelve".