3213212403 has 8 divisors (see below), whose sum is σ = 4422486016. Its totient is φ = 2073040200.

The previous prime is 3213212351. The next prime is 3213212413. The reversal of 3213212403 is 3042123123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3213212403 - 2⁶ = 3213212339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3213212403.

It is not an unprimeable number, because it can be changed into a prime (3213212413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17275243 + ... + 17275428.

It is an arithmetic number, because the mean of its divisors is an integer number (552810752).

Almost surely, 2^3213212403 is an apocalyptic number.

3213212403 is a deficient number, since it is larger than the sum of its proper divisors (1209273613).

3213212403 is a wasteful number, since it uses less digits than its factorization.

3213212403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34550705.

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

The square root of 3213212403 is about 56685.2044452518. The cubic root of 3213212403 is about 1475.6379357554.

Adding to 3213212403 its reverse (3042123123), we get a palindrome (6255335526).

The spelling of 3213212403 in words is "three billion, two hundred thirteen million, two hundred twelve thousand, four hundred three".