133021123212144 has 20 divisors (see below), whose sum is σ = 343637901631496. Its totient is φ = 44340374404032.

The previous prime is 133021123212083. The next prime is 133021123212151. The reversal of 133021123212144 is 441212321120331.

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, 1385636700079 + ... + 1385636700174.

Almost surely, 2^{133021123212144} is an apocalyptic number.

It is an amenable number.

133021123212144 is an abundant number, since it is smaller than the sum of its proper divisors (210616778419352).

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

133021123212144 is a wasteful number, since it uses less digits than its factorization.

133021123212144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771273400264 (or 2771273400258 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 133021123212144 its reverse (441212321120331), we get a palindrome (574233444332475).

The spelling of 133021123212144 in words is "one hundred thirty-three trillion, twenty-one billion, one hundred twenty-three million, two hundred twelve thousand, one hundred forty-four".