32120220331012 has 72 divisors (see below), whose sum is σ = 62360715879000. Its totient is φ = 14464086658560.

The previous prime is 32120220330949. The next prime is 32120220331027. The reversal of 32120220331012 is 21013302202123.

It can be written as a sum of positive squares in 4 ways, for example, as 1989408695296 + 30130811635716 = 1410464^2 + 5489154^2 .

It is a super-2 number, since 2×32120220331012² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 404757114 + ... + 404836462.

It is an arithmetic number, because the mean of its divisors is an integer number (866121053875).

Almost surely, 2^{32120220331012} is an apocalyptic number.

It is an amenable number.

32120220331012 is a deficient number, since it is larger than the sum of its proper divisors (30240495547988).

32120220331012 is a wasteful number, since it uses less digits than its factorization.

32120220331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87157 (or 87144 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 32120220331012 its reverse (21013302202123), we get a palindrome (53133522533135).

The spelling of 32120220331012 in words is "thirty-two trillion, one hundred twenty billion, two hundred twenty million, three hundred thirty-one thousand, twelve".