201427051273 has 8 divisors (see below), whose sum is σ = 230205195648. Its totient is φ = 172649619744.

The previous prime is 201427051271. The next prime is 201427051289. The reversal of 201427051273 is 372150724102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201427051273 - 2¹ = 201427051271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201427051271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748740 + ... + 981562.

It is an arithmetic number, because the mean of its divisors is an integer number (28775649456).

Almost surely, 2^201427051273 is an apocalyptic number.

It is an amenable number.

201427051273 is a deficient number, since it is larger than the sum of its proper divisors (28778144375).

201427051273 is a wasteful number, since it uses less digits than its factorization.

201427051273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356423.

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 201427051273 its reverse (372150724102), we get a palindrome (573577775375).

The spelling of 201427051273 in words is "two hundred one billion, four hundred twenty-seven million, fifty-one thousand, two hundred seventy-three".