212420333223 has 96 divisors (see below), whose sum is σ = 383925312000. Its totient is φ = 113315666688.

The previous prime is 212420333173. The next prime is 212420333269. The reversal of 212420333223 is 322333024212.

212420333223 is a `hidden beast` number, since 2 + 12 + 420 + 3 + 3 + 3 + 223 = 666.

It is not a de Polignac number, because 212420333223 - 2¹³ = 212420325031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212420333023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51820428 + ... + 51824526.

It is an arithmetic number, because the mean of its divisors is an integer number (3999222000).

Almost surely, 2^212420333223 is an apocalyptic number.

212420333223 is a deficient number, since it is larger than the sum of its proper divisors (171504978777).

212420333223 is a wasteful number, since it uses less digits than its factorization.

212420333223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386 (or 4253 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 212420333223 its reverse (322333024212), we get a palindrome (534753357435).

The spelling of 212420333223 in words is "two hundred twelve billion, four hundred twenty million, three hundred thirty-three thousand, two hundred twenty-three".