212021101331223 has 32 divisors (see below), whose sum is σ = 292415479529472. Its totient is φ = 136544570323200.

The previous prime is 212021101331209. The next prime is 212021101331251. The reversal of 212021101331223 is 322133101120212.

It is not a de Polignac number, because 212021101331223 - 2³² = 212016806363927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212021101331193 and 212021101331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021101331203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1448290 + ... + 20643152.

It is an arithmetic number, because the mean of its divisors is an integer number (9137983735296).

Almost surely, 2^{212021101331223} is an apocalyptic number.

212021101331223 is a deficient number, since it is larger than the sum of its proper divisors (80394378198249).

212021101331223 is a wasteful number, since it uses less digits than its factorization.

212021101331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19195615.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 212021101331223 its reverse (322133101120212), we get a palindrome (534154202451435).

The spelling of 212021101331223 in words is "two hundred twelve trillion, twenty-one billion, one hundred one million, three hundred thirty-one thousand, two hundred twenty-three".