212323111330 has 16 divisors (see below), whose sum is σ = 416925382464. Its totient is φ = 77208404080.

The previous prime is 212323111321. The next prime is 212323111339. The reversal of 212323111330 is 33111323212.

212323111330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212323111321) and next prime (212323111339).

It is a super-2 number, since 2×212323111330² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (212323111339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965104942 + ... + 965105161.

It is an arithmetic number, because the mean of its divisors is an integer number (26057836404).

Almost surely, 2^212323111330 is an apocalyptic number.

212323111330 is a deficient number, since it is larger than the sum of its proper divisors (204602271134).

212323111330 is a wasteful number, since it uses less digits than its factorization.

212323111330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930210121.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212323111330 its reverse (33111323212), we get a palindrome (245434434542).

The spelling of 212323111330 in words is "two hundred twelve billion, three hundred twenty-three million, one hundred eleven thousand, three hundred thirty".