201021010212212 has 12 divisors (see below), whose sum is σ = 351789151815780. Its totient is φ = 100509823979136.

The previous prime is 201021010212119. The next prime is 201021010212221. The reversal of 201021010212212 is 212212010120102.

It can be written as a sum of positive squares in 2 ways, for example, as 29985984594916 + 171035025617296 = 5475946^2 + 13078036^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169617413 + ... + 170798444.

It is an arithmetic number, because the mean of its divisors is an integer number (29315762651315).

Almost surely, 2^{201021010212212} is an apocalyptic number.

It is an amenable number.

201021010212212 is a deficient number, since it is larger than the sum of its proper divisors (150768141603568).

201021010212212 is a wasteful number, since it uses less digits than its factorization.

201021010212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340563490 (or 340563488 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201021010212212 its reverse (212212010120102), we get a palindrome (413233020332314).

The spelling of 201021010212212 in words is "two hundred one trillion, twenty-one billion, ten million, two hundred twelve thousand, two hundred twelve".