355213212 has 12 divisors (see below), whose sum is σ = 828830856. Its totient is φ = 118404400.

The previous prime is 355213211. The next prime is 355213223. The reversal of 355213212 is 212312553.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355213211) 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, 14800539 + ... + 14800562.

It is an arithmetic number, because the mean of its divisors is an integer number (69069238).

Almost surely, 2^355213212 is an apocalyptic number.

It is an amenable number.

355213212 is an abundant number, since it is smaller than the sum of its proper divisors (473617644).

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

355213212 is a wasteful number, since it uses less digits than its factorization.

355213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29601108 (or 29601106 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 355213212 is about 18847.1008911185. The cubic root of 355213212 is about 708.2116016629.

Adding to 355213212 its reverse (212312553), we get a palindrome (567525765).

The spelling of 355213212 in words is "three hundred fifty-five million, two hundred thirteen thousand, two hundred twelve".