212111010111000 has 4096 divisors, whose sum is σ = 946128558735360. Its totient is φ = 38154240000000.

The previous prime is 212111010110947. The next prime is 212111010111017. The reversal of 212111010111000 is 111010111212.

It is a super-2 number, since 2×212111010111000² (a number of 29 digits) contains 22 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 an unprimeable number.

It is a polite number, since it can be written in 1023 ways as a sum of consecutive naturals, for example, 460110650770 + ... + 460110651230.

It is an arithmetic number, because the mean of its divisors is an integer number (230988417660).

Almost surely, 2^{212111010111000} is an apocalyptic number.

212111010111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212111010111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473064279367680).

212111010111000 is an abundant number, since it is smaller than the sum of its proper divisors (734017548624360).

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

212111010111000 is a wasteful number, since it uses less digits than its factorization.

212111010111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 212111010111000 its reverse (111010111212), we get a palindrome (212222020222212).

The spelling of 212111010111000 in words is "two hundred twelve trillion, one hundred eleven billion, ten million, one hundred eleven thousand".