212201420331 has 4 divisors (see below), whose sum is σ = 282935227112. Its totient is φ = 141467613552.

The previous prime is 212201420309. The next prime is 212201420363. The reversal of 212201420331 is 133024102212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212201420331 - 2⁶ = 212201420267 is a prime.

It is a super-2 number, since 2×212201420331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212201420298 and 212201420307.

It is not an unprimeable number, because it can be changed into a prime (212201420831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35366903386 + ... + 35366903391.

It is an arithmetic number, because the mean of its divisors is an integer number (70733806778).

Almost surely, 2^212201420331 is an apocalyptic number.

212201420331 is a deficient number, since it is larger than the sum of its proper divisors (70733806781).

212201420331 is an equidigital number, since it uses as much as digits as its factorization.

212201420331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70733806780.

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

Adding to 212201420331 its reverse (133024102212), we get a palindrome (345225522543).

The spelling of 212201420331 in words is "two hundred twelve billion, two hundred one million, four hundred twenty thousand, three hundred thirty-one".