70212 has 12 divisors (see below), whose sum is σ = 163856. Its totient is φ = 23400.

The previous prime is 70207. The next prime is 70223. The reversal of 70212 is 21207.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 5851 = 70212 / (7 + 0 + 2 + 1 + 2).

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70212.

It is an unprimeable number.

70212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2914 + ... + 2937.

2⁷⁰²¹² is an apocalyptic number.

It is an amenable number.

70212 is an abundant number, since it is smaller than the sum of its proper divisors (93644).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81928).

70212 is a wasteful number, since it uses less digits than its factorization.

70212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858 (or 5856 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 70212 is about 264.9754705628. The cubic root of 70212 is about 41.2544164234.

Adding to 70212 its reverse (21207), we get a palindrome (91419).

It can be divided in two parts, 70 and 212, that added together give a palindrome (282).

The spelling of 70212 in words is "seventy thousand, two hundred twelve", and thus it is an iban number.