12210320211012 has 216 divisors, whose sum is σ = 39313793413440. Its totient is φ = 3159720385920.

The previous prime is 12210320210897. The next prime is 12210320211031. The reversal of 12210320211012 is 21011202301221.

12210320211012 is a `hidden beast` number, since 1 + 221 + 0 + 320 + 2 + 110 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4050033 + ... + 6389319.

It is an arithmetic number, because the mean of its divisors is an integer number (182008302840).

Almost surely, 2^{12210320211012} is an apocalyptic number.

12210320211012 is a gapful number since it is divisible by the number (12) 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 12210320211012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19656896706720).

12210320211012 is an abundant number, since it is smaller than the sum of its proper divisors (27103473202428).

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

12210320211012 is a wasteful number, since it uses less digits than its factorization.

12210320211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339591 (or 2339579 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12210320211012 its reverse (21011202301221), we get a palindrome (33221522512233).

The spelling of 12210320211012 in words is "twelve trillion, two hundred ten billion, three hundred twenty million, two hundred eleven thousand, twelve".