201266451452 has 12 divisors (see below), whose sum is σ = 384235952856. Its totient is φ = 91484750640.

The previous prime is 201266451409. The next prime is 201266451469. The reversal of 201266451452 is 254154662102.

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, 2287118723 + ... + 2287118810.

It is an arithmetic number, because the mean of its divisors is an integer number (32019662738).

Almost surely, 2^201266451452 is an apocalyptic number.

201266451452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201266451452 is a deficient number, since it is larger than the sum of its proper divisors (182969501404).

201266451452 is a wasteful number, since it uses less digits than its factorization.

201266451452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574237548 (or 4574237546 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 201266451452 in words is "two hundred one billion, two hundred sixty-six million, four hundred fifty-one thousand, four hundred fifty-two".