212021013235 has 8 divisors (see below), whose sum is σ = 261301573296. Its totient is φ = 165032572320.

The previous prime is 212021013233. The next prime is 212021013263. The reversal of 212021013235 is 532310120212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212021013235 - 2¹ = 212021013233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021013233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573029581 + ... + 573029950.

It is an arithmetic number, because the mean of its divisors is an integer number (32662696662).

Almost surely, 2^212021013235 is an apocalyptic number.

212021013235 is a deficient number, since it is larger than the sum of its proper divisors (49280560061).

212021013235 is a wasteful number, since it uses less digits than its factorization.

212021013235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146059573.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 212021013235 its reverse (532310120212), we get a palindrome (744331133447).

The spelling of 212021013235 in words is "two hundred twelve billion, twenty-one million, thirteen thousand, two hundred thirty-five".