32143020212421 has 24 divisors (see below), whose sum is σ = 46471798942296. Its totient is φ = 21408841036800.

The previous prime is 32143020212363. The next prime is 32143020212477. The reversal of 32143020212421 is 12421202034123.

32143020212421 is a `hidden beast` number, since 3 + 2 + 1 + 4 + 3 + 0 + 20 + 212 + 421 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 308441390625 + 31834578821796 = 555375^2 + 5642214^2 .

It is not a de Polignac number, because 32143020212421 - 2²¹ = 32143018115269 is a prime.

It is a super-2 number, since 2×32143020212421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32143020212221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120635881 + ... + 120902033.

It is an arithmetic number, because the mean of its divisors is an integer number (1936324955929).

Almost surely, 2^{32143020212421} is an apocalyptic number.

It is an amenable number.

32143020212421 is a deficient number, since it is larger than the sum of its proper divisors (14328778729875).

32143020212421 is a wasteful number, since it uses less digits than its factorization.

32143020212421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278533 (or 278530 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 32143020212421 its reverse (12421202034123), we get a palindrome (44564222246544).

The spelling of 32143020212421 in words is "thirty-two trillion, one hundred forty-three billion, twenty million, two hundred twelve thousand, four hundred twenty-one".