212021213203310 has 32 divisors (see below), whose sum is σ = 436158741320640. Its totient is φ = 72692851214592.

The previous prime is 212021213203273. The next prime is 212021213203363. The reversal of 212021213203310 is 13302312120212.

It is a super-2 number, since 2×212021213203310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 39221252 + ... + 44298408.

It is an arithmetic number, because the mean of its divisors is an integer number (13629960666270).

Almost surely, 2^{212021213203310} is an apocalyptic number.

212021213203310 is an abundant number, since it is smaller than the sum of its proper divisors (224137528117330).

212021213203310 is a wasteful number, since it uses less digits than its factorization.

212021213203310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673740.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 212021213203310 its reverse (13302312120212), we get a palindrome (225323525323522).

The spelling of 212021213203310 in words is "two hundred twelve trillion, twenty-one billion, two hundred thirteen million, two hundred three thousand, three hundred ten".