212474474212 has 96 divisors (see below), whose sum is σ = 503172956160. Its totient is φ = 75812526720.

The previous prime is 212474474137. The next prime is 212474474221.

212474474212 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

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, 299589 + ... + 717427.

It is an arithmetic number, because the mean of its divisors is an integer number (5241384960).

Almost surely, 2^212474474212 is an apocalyptic number.

212474474212 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 212474474212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251586478080).

212474474212 is an abundant number, since it is smaller than the sum of its proper divisors (290698481948).

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

212474474212 is a wasteful number, since it uses less digits than its factorization.

212474474212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418001 (or 417999 counting only the distinct ones).

The product of its digits is 200704, while the sum is 40.

It can be divided in two parts, 212474 and 474212, that added together give a palindrome (686686).

The spelling of 212474474212 in words is "two hundred twelve billion, four hundred seventy-four million, four hundred seventy-four thousand, two hundred twelve".