211201020012112 has 40 divisors (see below), whose sum is σ = 440864133905160. Its totient is φ = 97436453936640.

The previous prime is 211201020012091. The next prime is 211201020012119. The reversal of 211201020012112 is 211210020102112.

It can be written as a sum of positive squares in 4 ways, for example, as 29409623148096 + 181791396864016 = 5423064^2 + 13483004^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211201020012119) 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, 212732287 + ... + 213722782.

It is an arithmetic number, because the mean of its divisors is an integer number (11021603347629).

Almost surely, 2^{211201020012112} is an apocalyptic number.

It is an amenable number.

211201020012112 is an abundant number, since it is smaller than the sum of its proper divisors (229663113893048).

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

211201020012112 is a wasteful number, since it uses less digits than its factorization.

211201020012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426457471 (or 426457465 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211201020012112 its reverse (211210020102112), we get a palindrome (422411040114224).

The spelling of 211201020012112 in words is "two hundred eleven trillion, two hundred one billion, twenty million, twelve thousand, one hundred twelve".