212214012222105 has 24 divisors (see below), whose sum is σ = 367862019629832. Its totient is φ = 113173299304704.

The previous prime is 212214012222103. The next prime is 212214012222119. The reversal of 212214012222105 is 501222210412212.

212214012222105 is a `hidden beast` number, since 2 + 1 + 2 + 21 + 401 + 2 + 22 + 210 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1228858714521 + 210985153507584 = 1108539^2 + 14525328^2 .

It is not a de Polignac number, because 212214012222105 - 2¹ = 212214012222103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212214012222101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155714284 + ... + 157071213.

It is an arithmetic number, because the mean of its divisors is an integer number (15327584151243).

Almost surely, 2^{212214012222105} is an apocalyptic number.

It is an amenable number.

212214012222105 is a deficient number, since it is larger than the sum of its proper divisors (155648007407727).

212214012222105 is a wasteful number, since it uses less digits than its factorization.

212214012222105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312800585 (or 312800582 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 212214012222105 its reverse (501222210412212), we get a palindrome (713436222634317).

The spelling of 212214012222105 in words is "two hundred twelve trillion, two hundred fourteen billion, twelve million, two hundred twenty-two thousand, one hundred five".