201201021452 has 24 divisors (see below), whose sum is σ = 353187339120. Its totient is φ = 100290752960.

The previous prime is 201201021449. The next prime is 201201021473. The reversal of 201201021452 is 254120102102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995803 + ... + 2094189.

It is an arithmetic number, because the mean of its divisors is an integer number (14716139130).

Almost surely, 2^201201021452 is an apocalyptic number.

It is an amenable number.

201201021452 is a deficient number, since it is larger than the sum of its proper divisors (151986317668).

201201021452 is a wasteful number, since it uses less digits than its factorization.

201201021452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99961 (or 99959 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 201201021452 its reverse (254120102102), we get a palindrome (455321123554).

The spelling of 201201021452 in words is "two hundred one billion, two hundred one million, twenty-one thousand, four hundred fifty-two".