212003022331 has 8 divisors (see below), whose sum is σ = 215241080544. Its totient is φ = 208771967040.

The previous prime is 212003022277. The next prime is 212003022347. The reversal of 212003022331 is 133220300212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212003022331 - 2²¹ = 212000925179 is a prime.

It is a super-2 number, since 2×212003022331² (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 = 212003022299 and 212003022308.

It is not an unprimeable number, because it can be changed into a prime (212003025331) 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 7 ways as a sum of consecutive naturals, for example, 1689706 + ... + 1810831.

It is an arithmetic number, because the mean of its divisors is an integer number (26905135068).

Almost surely, 2^212003022331 is an apocalyptic number.

212003022331 is a deficient number, since it is larger than the sum of its proper divisors (3238058213).

212003022331 is an equidigital number, since it uses as much as digits as its factorization.

212003022331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501461.

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

Adding to 212003022331 its reverse (133220300212), we get a palindrome (345223322543).

The spelling of 212003022331 in words is "two hundred twelve billion, three million, twenty-two thousand, three hundred thirty-one".