212011012330 has 16 divisors (see below), whose sum is σ = 410975193384. Its totient is φ = 78280989120.

The previous prime is 212011012321. The next prime is 212011012361. The reversal of 212011012330 is 33210110212.

It can be written as a sum of positive squares in 4 ways, for example, as 148299699409 + 63711312921 = 385097^2 + 252411^2 .

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, 815426841 + ... + 815427100.

Almost surely, 2^212011012330 is an apocalyptic number.

212011012330 is a deficient number, since it is larger than the sum of its proper divisors (198964181054).

212011012330 is a wasteful number, since it uses less digits than its factorization.

212011012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630853961.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212011012330 its reverse (33210110212), we get a palindrome (245221122542).

The spelling of 212011012330 in words is "two hundred twelve billion, eleven million, twelve thousand, three hundred thirty".