3121232212203 has 32 divisors (see below), whose sum is σ = 4786193018880. Its totient is φ = 1772315614080.

The previous prime is 3121232212193. The next prime is 3121232212247. The reversal of 3121232212203 is 3022122321213.

It is not a de Polignac number, because 3121232212203 - 2²⁰ = 3121231163627 is a prime.

It is a super-2 number, since 2×3121232212203² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3121232212103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4532358 + ... + 5175396.

It is an arithmetic number, because the mean of its divisors is an integer number (149568531840).

Almost surely, 2^{3121232212203} is an apocalyptic number.

3121232212203 is a deficient number, since it is larger than the sum of its proper divisors (1664960806677).

3121232212203 is a wasteful number, since it uses less digits than its factorization.

3121232212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644507.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 3121232212203 its reverse (3022122321213), we get a palindrome (6143354533416).

The spelling of 3121232212203 in words is "three trillion, one hundred twenty-one billion, two hundred thirty-two million, two hundred twelve thousand, two hundred three".