133530242012 has 12 divisors (see below), whose sum is σ = 236635872480. Its totient is φ = 65919992736.

The previous prime is 133530241967. The next prime is 133530242047. The reversal of 133530242012 is 210242035331.

It is a happy number.

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, 211281713 + ... + 211282344.

It is an arithmetic number, because the mean of its divisors is an integer number (19719656040).

Almost surely, 2^133530242012 is an apocalyptic number.

It is an amenable number.

133530242012 is a deficient number, since it is larger than the sum of its proper divisors (103105630468).

133530242012 is a wasteful number, since it uses less digits than its factorization.

133530242012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422564140 (or 422564138 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 133530242012 its reverse (210242035331), we get a palindrome (343772277343).

The spelling of 133530242012 in words is "one hundred thirty-three billion, five hundred thirty million, two hundred forty-two thousand, twelve".