32012121 has 4 divisors (see below), whose sum is σ = 42682832. Its totient is φ = 21341412.

The previous prime is 32012107. The next prime is 32012147. The reversal of 32012121 is 12121023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 32012121 - 2⁵ = 32012089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32012097 and 32012106.

It is not an unprimeable number, because it can be changed into a prime (32012171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5335351 + ... + 5335356.

It is an arithmetic number, because the mean of its divisors is an integer number (10670708).

Almost surely, 2^32012121 is an apocalyptic number.

It is an amenable number.

32012121 is a deficient number, since it is larger than the sum of its proper divisors (10670711).

32012121 is a wasteful number, since it uses less digits than its factorization.

32012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10670710.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 32012121 is about 5657.9255032211. The cubic root of 32012121 is about 317.5202905172.

Adding to 32012121 its reverse (12121023), we get a palindrome (44133144).

The spelling of 32012121 in words is "thirty-two million, twelve thousand, one hundred twenty-one".