1201552134342 has 64 divisors (see below), whose sum is σ = 2906924966400. Its totient is φ = 323435255040.

The previous prime is 1201552134281. The next prime is 1201552134359. The reversal of 1201552134342 is 2434312551021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4014967 + ... + 4303842.

It is an arithmetic number, because the mean of its divisors is an integer number (45420702600).

Almost surely, 2^{1201552134342} is an apocalyptic number.

1201552134342 is an abundant number, since it is smaller than the sum of its proper divisors (1705372832058).

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

1201552134342 is a wasteful number, since it uses less digits than its factorization.

1201552134342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319021.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1201552134342 its reverse (2434312551021), we get a palindrome (3635864685363).

The spelling of 1201552134342 in words is "one trillion, two hundred one billion, five hundred fifty-two million, one hundred thirty-four thousand, three hundred forty-two".