3123113212 has 6 divisors (see below), whose sum is σ = 5465448128. Its totient is φ = 1561556604.

The previous prime is 3123113209. The next prime is 3123113233. The reversal of 3123113212 is 2123113213.

It is a super-2 number, since 2×3123113212² = 19507672269937913888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3123113212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390389148 + ... + 390389155.

Almost surely, 2^3123113212 is an apocalyptic number.

It is an amenable number.

3123113212 is a deficient number, since it is larger than the sum of its proper divisors (2342334916).

3123113212 is a wasteful number, since it uses less digits than its factorization.

3123113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780778307 (or 780778305 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 3123113212 is about 55884.8209445105. The cubic root of 3123113212 is about 1461.7145697843.

Adding to 3123113212 its reverse (2123113213), we get a palindrome (5246226425).

Subtracting from 3123113212 its reverse (2123113213), we obtain a palindrome (999999999).

The spelling of 3123113212 in words is "three billion, one hundred twenty-three million, one hundred thirteen thousand, two hundred twelve".