3121203302212 has 12 divisors (see below), whose sum is σ = 5464821907216. Its totient is φ = 1559825614440.

The previous prime is 3121203302197. The next prime is 3121203302237. The reversal of 3121203302212 is 2122033021213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194000118 + ... + 194016205.

Almost surely, 2^{3121203302212} is an apocalyptic number.

It is an amenable number.

3121203302212 is a deficient number, since it is larger than the sum of its proper divisors (2343618605004).

3121203302212 is a wasteful number, since it uses less digits than its factorization.

3121203302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388018338 (or 388018336 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3121203302212 its reverse (2122033021213), we get a palindrome (5243236323425).

The spelling of 3121203302212 in words is "three trillion, one hundred twenty-one billion, two hundred three million, three hundred two thousand, two hundred twelve".