212030321330 has 16 divisors (see below), whose sum is σ = 382754453760. Its totient is φ = 84567711792.

The previous prime is 212030321317. The next prime is 212030321387. The reversal of 212030321330 is 33123030212.

It is a Curzon number.

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, 30548450 + ... + 30555389.

It is an arithmetic number, because the mean of its divisors is an integer number (23922153360).

Almost surely, 2^212030321330 is an apocalyptic number.

212030321330 is a deficient number, since it is larger than the sum of its proper divisors (170724132430).

212030321330 is a wasteful number, since it uses less digits than its factorization.

212030321330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61104193.

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

Adding to 212030321330 its reverse (33123030212), we get a palindrome (245153351542).

The spelling of 212030321330 in words is "two hundred twelve billion, thirty million, three hundred twenty-one thousand, three hundred thirty".