1201442312133 has 24 divisors (see below), whose sum is σ = 1983365259200. Its totient is φ = 686527415424.

The previous prime is 1201442312113. The next prime is 1201442312167. The reversal of 1201442312133 is 3312132441021.

1201442312133 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 442 + 3 + 1 + 213 + 3 = 666.

It is not a de Polignac number, because 1201442312133 - 2⁸ = 1201442311877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201442312097 and 1201442312106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201442312113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5341773 + ... + 5562141.

Almost surely, 2^{1201442312133} is an apocalyptic number.

It is an amenable number.

1201442312133 is a deficient number, since it is larger than the sum of its proper divisors (781922947067).

1201442312133 is a wasteful number, since it uses less digits than its factorization.

1201442312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306921 (or 306918 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1201442312133 its reverse (3312132441021), we get a palindrome (4513574753154).

The spelling of 1201442312133 in words is "one trillion, two hundred one billion, four hundred forty-two million, three hundred twelve thousand, one hundred thirty-three".