42312221213211 has 64 divisors (see below), whose sum is σ = 65773476188160. Its totient is φ = 26851698599040.

The previous prime is 42312221213177. The next prime is 42312221213299. The reversal of 42312221213211 is 11231212221324.

42312221213211 is a `hidden beast` number, since 4 + 2 + 3 + 12 + 221 + 213 + 211 = 666.

42312221213211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42312221213211 - 2⁶ = 42312221213147 is a prime.

It is a super-3 number, since 3×42312221213211³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42312221213411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125524866 + ... + 125861496.

It is an arithmetic number, because the mean of its divisors is an integer number (1027710565440).

Almost surely, 2^{42312221213211} is an apocalyptic number.

42312221213211 is a deficient number, since it is larger than the sum of its proper divisors (23461254974949).

42312221213211 is a wasteful number, since it uses less digits than its factorization.

42312221213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339401 (or 339395 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 42312221213211 its reverse (11231212221324), we get a palindrome (53543433434535).

The spelling of 42312221213211 in words is "forty-two trillion, three hundred twelve billion, two hundred twenty-one million, two hundred thirteen thousand, two hundred eleven".