3212313021 has 12 divisors (see below), whose sum is σ = 4641332800. Its totient is φ = 2140930440.

The previous prime is 3212313011. The next prime is 3212313023. The reversal of 3212313021 is 1203132123.

It is not a de Polignac number, because 3212313021 - 2¹³ = 3212304829 is a prime.

It is a super-2 number, since 2×3212313021² = 20637909889772292882, 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 = 3212312985 and 3212313003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212313023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16471 + ... + 81828.

Almost surely, 2^3212313021 is an apocalyptic number.

It is an amenable number.

3212313021 is a deficient number, since it is larger than the sum of its proper divisors (1429019779).

3212313021 is a wasteful number, since it uses less digits than its factorization.

3212313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101936 (or 101933 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3212313021 is about 56677.2707617436. The cubic root of 3212313021 is about 1475.5002452995.

Adding to 3212313021 its reverse (1203132123), we get a palindrome (4415445144).

The spelling of 3212313021 in words is "three billion, two hundred twelve million, three hundred thirteen thousand, twenty-one".