5112321212 has 6 divisors (see below), whose sum is σ = 8946562128. Its totient is φ = 2556160604.

The previous prime is 5112321211. The next prime is 5112321229. The reversal of 5112321212 is 2121232115.

It is a super-2 number, since 2×5112321212² = 52271656349330297888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5112321211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639040148 + ... + 639040155.

It is an arithmetic number, because the mean of its divisors is an integer number (1491093688).

Almost surely, 2^5112321212 is an apocalyptic number.

It is an amenable number.

5112321212 is a deficient number, since it is larger than the sum of its proper divisors (3834240916).

5112321212 is a wasteful number, since it uses less digits than its factorization.

5112321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278080307 (or 1278080305 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 5112321212 is about 71500.4979842798. The cubic root of 5112321212 is about 1722.6856830380.

Adding to 5112321212 its reverse (2121232115), we get a palindrome (7233553327).

The spelling of 5112321212 in words is "five billion, one hundred twelve million, three hundred twenty-one thousand, two hundred twelve".