201424320312 has 64 divisors (see below), whose sum is σ = 526379040000. Its totient is φ = 64109278464.

The previous prime is 201424320233. The next prime is 201424320319. The reversal of 201424320312 is 213023424102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201424320319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6562 + ... + 634737.

It is an arithmetic number, because the mean of its divisors is an integer number (8224672500).

Almost surely, 2^201424320312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201424320312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263189520000).

201424320312 is an abundant number, since it is smaller than the sum of its proper divisors (324954719688).

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

201424320312 is a wasteful number, since it uses less digits than its factorization.

201424320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641900 (or 641896 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201424320312 its reverse (213023424102), we get a palindrome (414447744414).

The spelling of 201424320312 in words is "two hundred one billion, four hundred twenty-four million, three hundred twenty thousand, three hundred twelve".