212332222011 has 128 divisors (see below), whose sum is σ = 371089152000. Its totient is φ = 104962314240.

The previous prime is 212332221979. The next prime is 212332222057. The reversal of 212332222011 is 110222233212.

It is not a de Polignac number, because 212332222011 - 2⁵ = 212332221979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (212332222061) 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, 202413415 + ... + 202414463.

It is an arithmetic number, because the mean of its divisors is an integer number (2899134000).

Almost surely, 2^212332222011 is an apocalyptic number.

212332222011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212332222011 is a deficient number, since it is larger than the sum of its proper divisors (158756929989).

212332222011 is a wasteful number, since it uses less digits than its factorization.

212332222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212332222011 its reverse (110222233212), we get a palindrome (322554455223).

The spelling of 212332222011 in words is "two hundred twelve billion, three hundred thirty-two million, two hundred twenty-two thousand, eleven".