212202113004 has 144 divisors (see below), whose sum is σ = 625292478720. Its totient is φ = 59423310720.

The previous prime is 212202112999. The next prime is 212202113027. The reversal of 212202113004 is 400311202212.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4325887 + ... + 4374665.

It is an arithmetic number, because the mean of its divisors is an integer number (4342308880).

Almost surely, 2^212202113004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212202113004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312646239360).

212202113004 is an abundant number, since it is smaller than the sum of its proper divisors (413090365716).

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

212202113004 is a wasteful number, since it uses less digits than its factorization.

212202113004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49140 (or 49135 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212202113004 its reverse (400311202212), we get a palindrome (612513315216).

The spelling of 212202113004 in words is "two hundred twelve billion, two hundred two million, one hundred thirteen thousand, four".