201001211011212 has 48 divisors (see below), whose sum is σ = 490040745153792. Its totient is φ = 64002682941120.

The previous prime is 201001211011187. The next prime is 201001211011231. The reversal of 201001211011212 is 212110112100102.

It is a happy number.

It is a super-3 number, since 3×201001211011212³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201001211011191 and 201001211011200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480811714 + ... + 481229577.

It is an arithmetic number, because the mean of its divisors is an integer number (10209182190704).

Almost surely, 2^{201001211011212} is an apocalyptic number.

It is an amenable number.

201001211011212 is an abundant number, since it is smaller than the sum of its proper divisors (289039534142580).

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

201001211011212 is a wasteful number, since it uses less digits than its factorization.

201001211011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962042078 (or 962042076 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201001211011212 its reverse (212110112100102), we get a palindrome (413111323111314).

The spelling of 201001211011212 in words is "two hundred one trillion, one billion, two hundred eleven million, eleven thousand, two hundred twelve".