32101012242 has 72 divisors (see below), whose sum is σ = 75595817700. Its totient is φ = 9840265344.

The previous prime is 32101012231. The next prime is 32101012249. The reversal of 32101012242 is 24221010123.

It is a happy number.

32101012242 is a `hidden beast` number, since 321 + 0 + 101 + 2 + 242 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 7358036841 + 24742975401 = 85779^2 + 157299^2 .

It is a super-2 number, since 2×32101012242² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (32101012249) 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 35 ways as a sum of consecutive naturals, for example, 798684 + ... + 837912.

Almost surely, 2^32101012242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32101012242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37797908850).

32101012242 is an abundant number, since it is smaller than the sum of its proper divisors (43494805458).

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

32101012242 is a wasteful number, since it uses less digits than its factorization.

32101012242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39532 (or 39516 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 32101012242 its reverse (24221010123), we get a palindrome (56322022365).

The spelling of 32101012242 in words is "thirty-two billion, one hundred one million, twelve thousand, two hundred forty-two".