3121012212202 has 4 divisors (see below), whose sum is σ = 4681518318306. Its totient is φ = 1560506106100.

The previous prime is 3121012212139. The next prime is 3121012212211. The reversal of 3121012212202 is 2022122101213.

3121012212202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 3100342686841 + 20669525361 = 1760779^2 + 143769^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3121012212202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780253053049 + ... + 780253053052.

Almost surely, 2^{3121012212202} is an apocalyptic number.

3121012212202 is a deficient number, since it is larger than the sum of its proper divisors (1560506106104).

3121012212202 is a wasteful number, since it uses less digits than its factorization.

3121012212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560506106103.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 3121012212202 its reverse (2022122101213), we get a palindrome (5143134313415).

The spelling of 3121012212202 in words is "three trillion, one hundred twenty-one billion, twelve million, two hundred twelve thousand, two hundred two".