352223031301212 has 12 divisors (see below), whose sum is σ = 821853739702856. Its totient is φ = 117407677100400.

The previous prime is 352223031301157. The next prime is 352223031301217. The reversal of 352223031301212 is 212103130322253.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×352223031301212² (a number of 30 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 352223031301212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352223031301217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14675959637539 + ... + 14675959637562.

Almost surely, 2^{352223031301212} is an apocalyptic number.

It is an amenable number.

352223031301212 is an abundant number, since it is smaller than the sum of its proper divisors (469630708401644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

352223031301212 is a wasteful number, since it uses less digits than its factorization.

352223031301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29351919275108 (or 29351919275106 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 352223031301212 its reverse (212103130322253), we get a palindrome (564326161623465).

The spelling of 352223031301212 in words is "three hundred fifty-two trillion, two hundred twenty-three billion, thirty-one million, three hundred one thousand, two hundred twelve".