4321211421432 has 16 divisors (see below), whose sum is σ = 10803028553640. Its totient is φ = 1440403807136.

The previous prime is 4321211421409. The next prime is 4321211421437. The reversal of 4321211421432 is 2341241121234.

It is a happy number.

It is a super-3 number, since 3×4321211421432³ (a number of 39 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 4321211421432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321211421437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90025237923 + ... + 90025237970.

Almost surely, 2^{4321211421432} is an apocalyptic number.

It is an amenable number.

4321211421432 is an abundant number, since it is smaller than the sum of its proper divisors (6481817132208).

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

4321211421432 is a wasteful number, since it uses less digits than its factorization.

4321211421432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180050475902 (or 180050475898 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

Adding to 4321211421432 its reverse (2341241121234), we get a palindrome (6662452542666).

The spelling of 4321211421432 in words is "four trillion, three hundred twenty-one billion, two hundred eleven million, four hundred twenty-one thousand, four hundred thirty-two".