201211430 has 16 divisors (see below), whose sum is σ = 413920800. Its totient is φ = 68986752.

The previous prime is 201211411. The next prime is 201211447. The reversal of 201211430 is 34112102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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, 1437155 + ... + 1437294.

It is an arithmetic number, because the mean of its divisors is an integer number (25870050).

Almost surely, 2^201211430 is an apocalyptic number.

201211430 is an abundant number, since it is smaller than the sum of its proper divisors (212709370).

201211430 is a wasteful number, since it uses less digits than its factorization.

201211430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874463.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 201211430 is about 14184.9014800950. The cubic root of 201211430 is about 585.9819192471.

Adding to 201211430 its reverse (34112102), we get a palindrome (235323532).

The spelling of 201211430 in words is "two hundred one million, two hundred eleven thousand, four hundred thirty".