210111201001212 has 384 divisors, whose sum is σ = 617392129536000. Its totient is φ = 54225895686144.

The previous prime is 210111201001211. The next prime is 210111201001223. The reversal of 210111201001212 is 212100102111012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210111201001191 and 210111201001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210111201001211) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5779730428 + ... + 5779766780.

It is an arithmetic number, because the mean of its divisors is an integer number (1607792004000).

Almost surely, 2^{210111201001212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210111201001212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308696064768000).

210111201001212 is an abundant number, since it is smaller than the sum of its proper divisors (407280928534788).

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

210111201001212 is a wasteful number, since it uses less digits than its factorization.

210111201001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37245 (or 37243 counting only the distinct ones).

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

Adding to 210111201001212 its reverse (212100102111012), we get a palindrome (422211303112224).

The spelling of 210111201001212 in words is "two hundred ten trillion, one hundred eleven billion, two hundred one million, one thousand, two hundred twelve".