212332100330 has 24 divisors (see below), whose sum is σ = 444597419268. Its totient is φ = 72799577088.

The previous prime is 212332100317. The next prime is 212332100341. The reversal of 212332100330 is 33001233212.

It can be written as a sum of positive squares in 2 ways, for example, as 212236197481 + 95902849 = 460691^2 + 9793^2 .

It is a super-2 number, since 2×212332100330² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216664919 + ... + 216665898.

Almost surely, 2^212332100330 is an apocalyptic number.

212332100330 is an abundant number, since it is smaller than the sum of its proper divisors (232265318938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212332100330 is a wasteful number, since it uses less digits than its factorization.

212332100330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433330838 (or 433330831 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 212332100330 its reverse (33001233212), we get a palindrome (245333333542).

The spelling of 212332100330 in words is "two hundred twelve billion, three hundred thirty-two million, one hundred thousand, three hundred thirty".