133200001224 has 24 divisors (see below), whose sum is σ = 360750003510. Its totient is φ = 44400000384.

The previous prime is 133200001219. The next prime is 133200001237. The reversal of 133200001224 is 422100002331.

It can be written as a sum of positive squares in only one way, i.e., 122171220900 + 11028780324 = 349530^2 + 105018^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 133200001197 and 133200001206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 924999937 + ... + 925000080.

Almost surely, 2^133200001224 is an apocalyptic number.

It is an amenable number.

133200001224 is an abundant number, since it is smaller than the sum of its proper divisors (227550002286).

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

133200001224 is a wasteful number, since it uses less digits than its factorization.

133200001224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850000029 (or 1850000022 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 133200001224 its reverse (422100002331), we get a palindrome (555300003555).

The spelling of 133200001224 in words is "one hundred thirty-three billion, two hundred million, one thousand, two hundred twenty-four".