212743347212 has 48 divisors (see below), whose sum is σ = 420630174720. Its totient is φ = 93310963200.

The previous prime is 212743347209. The next prime is 212743347221.

212743347212 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577637 + ... + 871292.

It is an arithmetic number, because the mean of its divisors is an integer number (8763128640).

Almost surely, 2^212743347212 is an apocalyptic number.

212743347212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212743347212 is a deficient number, since it is larger than the sum of its proper divisors (207886827508).

212743347212 is a wasteful number, since it uses less digits than its factorization.

212743347212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449062 (or 1449060 counting only the distinct ones).

The product of its digits is 112896, while the sum is 38.

It can be divided in two parts, 212743 and 347212, that added together give a palindrome (559955).

The spelling of 212743347212 in words is "two hundred twelve billion, seven hundred forty-three million, three hundred forty-seven thousand, two hundred twelve".