1201342423329 has 16 divisors (see below), whose sum is σ = 1780296537600. Its totient is φ = 800656455888.

The previous prime is 1201342423289. The next prime is 1201342423357. The reversal of 1201342423329 is 9233242431021.

1201342423329 is a `hidden beast` number, since 1 + 201 + 3 + 4 + 2 + 423 + 3 + 29 = 666.

It is not a de Polignac number, because 1201342423329 - 2³⁷ = 1063903469857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201342423293 and 1201342423302.

It is not an unprimeable number, because it can be changed into a prime (1201342424329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6532434 + ... + 6713819.

It is an arithmetic number, because the mean of its divisors is an integer number (111268533600).

Almost surely, 2^{1201342423329} is an apocalyptic number.

It is an amenable number.

1201342423329 is a deficient number, since it is larger than the sum of its proper divisors (578954114271).

1201342423329 is a wasteful number, since it uses less digits than its factorization.

1201342423329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13249621 (or 13249615 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 1201342423329 in words is "one trillion, two hundred one billion, three hundred forty-two million, four hundred twenty-three thousand, three hundred twenty-nine".