212464464212 has 96 divisors (see below), whose sum is σ = 503798211840. Its totient is φ = 75709624320.

The previous prime is 212464464181. The next prime is 212464464221.

212464464212 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×212464464212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193028 + ... + 679844.

It is an arithmetic number, because the mean of its divisors is an integer number (5247898040).

Almost surely, 2^212464464212 is an apocalyptic number.

212464464212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212464464212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251899105920).

212464464212 is an abundant number, since it is smaller than the sum of its proper divisors (291333747628).

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

212464464212 is a wasteful number, since it uses less digits than its factorization.

212464464212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486961 (or 486959 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

It can be divided in two parts, 212464 and 464212, that added together give a palindrome (676676).

The spelling of 212464464212 in words is "two hundred twelve billion, four hundred sixty-four million, four hundred sixty-four thousand, two hundred twelve".