332212013 has 6 divisors (see below), whose sum is σ = 386450766. Its totient is φ = 284753112.

The previous prime is 332212009. The next prime is 332212019. The reversal of 332212013 is 310212233.

It can be written as a sum of positive squares in only one way, i.e., 198161929 + 134050084 = 14077^2 + 11578^2 .

It is not a de Polignac number, because 332212013 - 2² = 332212009 is a prime.

It is a super-2 number, since 2×332212013² = 220729643163024338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332211982 and 332212000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332212019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3389870 + ... + 3389967.

It is an arithmetic number, because the mean of its divisors is an integer number (64408461).

Almost surely, 2^332212013 is an apocalyptic number.

It is an amenable number.

332212013 is a deficient number, since it is larger than the sum of its proper divisors (54238753).

332212013 is an equidigital number, since it uses as much as digits as its factorization.

332212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779851 (or 6779844 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 332212013 is about 18226.6840922862. The cubic root of 332212013 is about 692.5829208182.

Adding to 332212013 its reverse (310212233), we get a palindrome (642424246).

The spelling of 332212013 in words is "three hundred thirty-two million, two hundred twelve thousand, thirteen".