212021032323 has 8 divisors (see below), whose sum is σ = 283769595648. Its totient is φ = 140809911944.

The previous prime is 212021032297. The next prime is 212021032337. The reversal of 212021032323 is 323230120212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212021032323 - 2⁹ = 212021031811 is a prime.

It is a super-2 number, since 2×212021032323² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212021032323.

It is not an unprimeable number, because it can be changed into a prime (212021052323) 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, 134359815 + ... + 134361392.

It is an arithmetic number, because the mean of its divisors is an integer number (35471199456).

Almost surely, 2^212021032323 is an apocalyptic number.

212021032323 is a deficient number, since it is larger than the sum of its proper divisors (71748563325).

212021032323 is a wasteful number, since it uses less digits than its factorization.

212021032323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268721473.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212021032323 its reverse (323230120212), we get a palindrome (535251152535).

The spelling of 212021032323 in words is "two hundred twelve billion, twenty-one million, thirty-two thousand, three hundred twenty-three".