5071212 has 18 divisors (see below), whose sum is σ = 12818988. Its totient is φ = 1690392.

The previous prime is 5071211. The next prime is 5071229. The reversal of 5071212 is 2121705.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×5071212² = 51434382297888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (5071211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70398 + ... + 70469.

It is an arithmetic number, because the mean of its divisors is an integer number (712166).

Almost surely, 2^5071212 is an apocalyptic number.

It is an amenable number.

5071212 is an abundant number, since it is smaller than the sum of its proper divisors (7747776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5071212 is a wasteful number, since it uses less digits than its factorization.

5071212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140877 (or 140872 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 5071212 is about 2251.9351678057. The cubic root of 5071212 is about 171.8055762376.

Adding to 5071212 its reverse (2121705), we get a palindrome (7192917).

The spelling of 5071212 in words is "five million, seventy-one thousand, two hundred twelve".