201212021102112 has 120 divisors (see below), whose sum is σ = 591792568265052. Its totient is φ = 67066865049600.

The previous prime is 201212021102017. The next prime is 201212021102153. The reversal of 201212021102112 is 211201120212102.

201212021102112 is a `hidden beast` number, since 20 + 121 + 202 + 110 + 211 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 162023469576336 + 39188551525776 = 12728844^2 + 6260076^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43633912 + ... + 48024392.

Almost surely, 2^{201212021102112} is an apocalyptic number.

It is an amenable number.

201212021102112 is an abundant number, since it is smaller than the sum of its proper divisors (390580547162940).

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

201212021102112 is a wasteful number, since it uses less digits than its factorization.

201212021102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408184 (or 4408167 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201212021102112 its reverse (211201120212102), we get a palindrome (412413141314214).

The spelling of 201212021102112 in words is "two hundred one trillion, two hundred twelve billion, twenty-one million, one hundred two thousand, one hundred twelve".