32133240021 has 16 divisors (see below), whose sum is σ = 45401976000. Its totient is φ = 20158466688.

The previous prime is 32133240019. The next prime is 32133240023. The reversal of 32133240021 is 12004233123.

It is an interprime number because it is at equal distance from previous prime (32133240019) and next prime (32133240023).

It is not a de Polignac number, because 32133240021 - 2¹ = 32133240019 is a prime.

It is a super-2 number, since 2×32133240021² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32133240021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32133240023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1883256 + ... + 1900241.

It is an arithmetic number, because the mean of its divisors is an integer number (2837623500).

Almost surely, 2^32133240021 is an apocalyptic number.

It is an amenable number.

32133240021 is a deficient number, since it is larger than the sum of its proper divisors (13268735979).

32133240021 is a wasteful number, since it uses less digits than its factorization.

32133240021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783668.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32133240021 its reverse (12004233123), we get a palindrome (44137473144).

The spelling of 32133240021 in words is "thirty-two billion, one hundred thirty-three million, two hundred forty thousand, twenty-one".