133231330012 has 36 divisors (see below), whose sum is σ = 256473146160. Its totient is φ = 60513492160.

The previous prime is 133231329977. The next prime is 133231330031. The reversal of 133231330012 is 210033132331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534048 + ... + 742744.

It is an arithmetic number, because the mean of its divisors is an integer number (7124254060).

Almost surely, 2^133231330012 is an apocalyptic number.

It is an amenable number.

133231330012 is a deficient number, since it is larger than the sum of its proper divisors (123241816148).

133231330012 is a wasteful number, since it uses less digits than its factorization.

133231330012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210042 (or 210029 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 133231330012 its reverse (210033132331), we get a palindrome (343264462343).

The spelling of 133231330012 in words is "one hundred thirty-three billion, two hundred thirty-one million, three hundred thirty thousand, twelve".