201001101001212 has 24 divisors (see below), whose sum is σ = 469032728435712. Its totient is φ = 66996058510000.

The previous prime is 201001101001171. The next prime is 201001101001219. The reversal of 201001101001212 is 212100101100102.

It is a super-3 number, since 3×201001101001212³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001101001219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538366914 + ... + 538740137.

It is an arithmetic number, because the mean of its divisors is an integer number (19543030351488).

Almost surely, 2^{201001101001212} is an apocalyptic number.

It is an amenable number.

201001101001212 is an abundant number, since it is smaller than the sum of its proper divisors (268031627434500).

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

201001101001212 is a wasteful number, since it uses less digits than its factorization.

201001101001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077122609 (or 1077122607 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201001101001212 its reverse (212100101100102), we get a palindrome (413101202101314).

The spelling of 201001101001212 in words is "two hundred one trillion, one billion, one hundred one million, one thousand, two hundred twelve".