201011121013212 has 36 divisors (see below), whose sum is σ = 508145887354560. Its totient is φ = 66999165126912.

The previous prime is 201011121013177. The next prime is 201011121013387. The reversal of 201011121013212 is 212310121110102.

It is a happy number.

201011121013212 is a `hidden beast` number, since 20 + 1 + 0 + 111 + 210 + 1 + 321 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×201011121013212² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188706412 + ... + 189768627.

Almost surely, 2^{201011121013212} is an apocalyptic number.

It is an amenable number.

201011121013212 is an abundant number, since it is smaller than the sum of its proper divisors (307134766341348).

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

201011121013212 is a wasteful number, since it uses less digits than its factorization.

201011121013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378489802 (or 378489797 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 201011121013212 its reverse (212310121110102), we get a palindrome (413321242123314).

The spelling of 201011121013212 in words is "two hundred one trillion, eleven billion, one hundred twenty-one million, thirteen thousand, two hundred twelve".