133243213204 has 12 divisors (see below), whose sum is σ = 233296265524. Its totient is φ = 66587137344.

The previous prime is 133243213171. The next prime is 133243213217. The reversal of 133243213204 is 402312342331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119011200400 + 14232012804 = 344980^2 + 119298^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8608617 + ... + 8624080.

Almost surely, 2^133243213204 is an apocalyptic number.

It is an amenable number.

133243213204 is a deficient number, since it is larger than the sum of its proper divisors (100053052320).

133243213204 is a wasteful number, since it uses less digits than its factorization.

133243213204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17234634 (or 17234632 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 133243213204 its reverse (402312342331), we get a palindrome (535555555535).

The spelling of 133243213204 in words is "one hundred thirty-three billion, two hundred forty-three million, two hundred thirteen thousand, two hundred four".