3123100231222 has 4 divisors (see below), whose sum is σ = 4684650346836. Its totient is φ = 1561550115610.

The previous prime is 3123100231177. The next prime is 3123100231231. The reversal of 3123100231222 is 2221320013213.

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

It is a super-2 number, since 2×3123100231222² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3123100231193 and 3123100231202.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 780775057804 + ... + 780775057807.

It is an arithmetic number, because the mean of its divisors is an integer number (1171162586709).

Almost surely, 2^{3123100231222} is an apocalyptic number.

3123100231222 is a deficient number, since it is larger than the sum of its proper divisors (1561550115614).

3123100231222 is a wasteful number, since it uses less digits than its factorization.

3123100231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561550115613.

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

Adding to 3123100231222 its reverse (2221320013213), we get a palindrome (5344420244435).

The spelling of 3123100231222 in words is "three trillion, one hundred twenty-three billion, one hundred million, two hundred thirty-one thousand, two hundred twenty-two".