3213220202123 has 4 divisors (see below), whose sum is σ = 3213871579488. Its totient is φ = 3212568824760.

The previous prime is 3213220202119. The next prime is 3213220202141. The reversal of 3213220202123 is 3212020223123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3213220202123 - 2² = 3213220202119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213220202323) 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, 325681283 + ... + 325691148.

It is an arithmetic number, because the mean of its divisors is an integer number (803467894872).

Almost surely, 2^{3213220202123} is an apocalyptic number.

3213220202123 is a deficient number, since it is larger than the sum of its proper divisors (651377365).

3213220202123 is an equidigital number, since it uses as much as digits as its factorization.

3213220202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651377364.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 3213220202123 its reverse (3212020223123), we get a palindrome (6425240425246).

The spelling of 3213220202123 in words is "three trillion, two hundred thirteen billion, two hundred twenty million, two hundred two thousand, one hundred twenty-three".