213012210330 has 24 divisors (see below), whose sum is σ = 553831747092. Its totient is φ = 56803256064.

The previous prime is 213012210263. The next prime is 213012210353. The reversal of 213012210330 is 33012210312.

213012210330 is a `hidden beast` number, since 2 + 1 + 301 + 22 + 10 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 212112750249 + 899460081 = 460557^2 + 29991^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1183401079 + ... + 1183401258.

Almost surely, 2^213012210330 is an apocalyptic number.

213012210330 is an abundant number, since it is smaller than the sum of its proper divisors (340819536762).

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

213012210330 is a wasteful number, since it uses less digits than its factorization.

213012210330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366802350 (or 2366802347 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Subtracting from 213012210330 its sum of digits (18), we obtain a palindrome (213012210312).

Adding to 213012210330 its reverse (33012210312), we get a palindrome (246024420642).

The spelling of 213012210330 in words is "two hundred thirteen billion, twelve million, two hundred ten thousand, three hundred thirty".