212011031330 has 16 divisors (see below), whose sum is σ = 436136978880. Its totient is φ = 72689496432.

The previous prime is 212011031311. The next prime is 212011031347. The reversal of 212011031330 is 33130110212.

It is a super-2 number, since 2×212011031330² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212011031299 and 212011031308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514364440 + ... + 1514364579.

It is an arithmetic number, because the mean of its divisors is an integer number (27258561180).

Almost surely, 2^212011031330 is an apocalyptic number.

212011031330 is an abundant number, since it is smaller than the sum of its proper divisors (224125947550).

212011031330 is a wasteful number, since it uses less digits than its factorization.

212011031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028729033.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 212011031330 its reverse (33130110212), we get a palindrome (245141141542).

The spelling of 212011031330 in words is "two hundred twelve billion, eleven million, thirty-one thousand, three hundred thirty".