212021102330 has 32 divisors (see below), whose sum is σ = 390627914688. Its totient is φ = 82811836800.

The previous prime is 212021102323. The next prime is 212021102341. The reversal of 212021102330 is 33201120212.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212021102299 and 212021102308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430510 + ... + 1571750.

It is an arithmetic number, because the mean of its divisors is an integer number (12207122334).

Almost surely, 2^212021102330 is an apocalyptic number.

212021102330 is a deficient number, since it is larger than the sum of its proper divisors (178606812358).

212021102330 is a wasteful number, since it uses less digits than its factorization.

212021102330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144782.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212021102330 its reverse (33201120212), we get a palindrome (245222222542).

The spelling of 212021102330 in words is "two hundred twelve billion, twenty-one million, one hundred two thousand, three hundred thirty".