212230020331 has 16 divisors (see below), whose sum is σ = 257881821120. Its totient is φ = 170500331520.

The previous prime is 212230020283. The next prime is 212230020341. The reversal of 212230020331 is 133020032212.

It is a cyclic number.

It is not a de Polignac number, because 212230020331 - 2⁹ = 212230019819 is a prime.

It is a super-2 number, since 2×212230020331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212230020299 and 212230020308.

It is not an unprimeable number, because it can be changed into a prime (212230020341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3671416 + ... + 3728773.

It is an arithmetic number, because the mean of its divisors is an integer number (16117613820).

Almost surely, 2^212230020331 is an apocalyptic number.

212230020331 is a deficient number, since it is larger than the sum of its proper divisors (45651800789).

212230020331 is a wasteful number, since it uses less digits than its factorization.

212230020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400454.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212230020331 its reverse (133020032212), we get a palindrome (345250052543).

The spelling of 212230020331 in words is "two hundred twelve billion, two hundred thirty million, twenty thousand, three hundred thirty-one".