355203115212 has 48 divisors (see below), whose sum is σ = 904216948992. Its totient is φ = 107629740480.

The previous prime is 355203115199. The next prime is 355203115213. The reversal of 355203115212 is 212511302553.

It is a self number, because there is not a number n which added to its sum of digits gives 355203115212.

It is not an unprimeable number, because it can be changed into a prime (355203115213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1958233 + ... + 2131919.

It is an arithmetic number, because the mean of its divisors is an integer number (18837853104).

Almost surely, 2^355203115212 is an apocalyptic number.

It is an amenable number.

355203115212 is an abundant number, since it is smaller than the sum of its proper divisors (549013833780).

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

355203115212 is a wasteful number, since it uses less digits than its factorization.

355203115212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189198 (or 189196 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 355203115212 its reverse (212511302553), we get a palindrome (567714417765).

The spelling of 355203115212 in words is "three hundred fifty-five billion, two hundred three million, one hundred fifteen thousand, two hundred twelve".