1430221143232 has 56 divisors (see below), whose sum is σ = 3261457515680. Its totient is φ = 609565409280.

The previous prime is 1430221143229. The next prime is 1430221143233. The reversal of 1430221143232 is 2323411220341.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1430221143232.

It is not an unprimeable number, because it can be changed into a prime (1430221143233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8737857 + ... + 8900032.

It is an arithmetic number, because the mean of its divisors is an integer number (58240312780).

Almost surely, 2^{1430221143232} is an apocalyptic number.

It is an amenable number.

1430221143232 is an abundant number, since it is smaller than the sum of its proper divisors (1831236372448).

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

1430221143232 is a wasteful number, since it uses less digits than its factorization.

1430221143232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17638089 (or 17638079 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1430221143232 its reverse (2323411220341), we get a palindrome (3753632363573).

The spelling of 1430221143232 in words is "one trillion, four hundred thirty billion, two hundred twenty-one million, one hundred forty-three thousand, two hundred thirty-two".