1201420055452 has 12 divisors (see below), whose sum is σ = 2111666256280. Its totient is φ = 598086839376.

The previous prime is 1201420055447. The next prime is 1201420055597. The reversal of 1201420055452 is 2545500241021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655796058 + ... + 655797889.

Almost surely, 2^{1201420055452} is an apocalyptic number.

It is an amenable number.

1201420055452 is a deficient number, since it is larger than the sum of its proper divisors (910246200828).

1201420055452 is a wasteful number, since it uses less digits than its factorization.

1201420055452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311594180 (or 1311594178 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 1201420055452 its reverse (2545500241021), we get a palindrome (3746920296473).

The spelling of 1201420055452 in words is "one trillion, two hundred one billion, four hundred twenty million, fifty-five thousand, four hundred fifty-two".