32120450142421 has 8 divisors (see below), whose sum is σ = 33228124947000. Its totient is φ = 31012780209600.

The previous prime is 32120450142383. The next prime is 32120450142467. The reversal of 32120450142421 is 12424105402123.

It can be written as a sum of positive squares in 4 ways, for example, as 13489357001796 + 18631093140625 = 3672786^2 + 4316375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32120450142421 - 2³¹ = 32118302658773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120450149421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16628071 + ... + 18458971.

It is an arithmetic number, because the mean of its divisors is an integer number (4153515618375).

Almost surely, 2^{32120450142421} is an apocalyptic number.

It is an amenable number.

32120450142421 is a deficient number, since it is larger than the sum of its proper divisors (1107674804579).

32120450142421 is a wasteful number, since it uses less digits than its factorization.

32120450142421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435879.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 32120450142421 its reverse (12424105402123), we get a palindrome (44544555544544).

The spelling of 32120450142421 in words is "thirty-two trillion, one hundred twenty billion, four hundred fifty million, one hundred forty-two thousand, four hundred twenty-one".