212013202104 has 288 divisors, whose sum is σ = 644731651200. Its totient is φ = 62874662400.

The previous prime is 212013202103. The next prime is 212013202111. The reversal of 212013202104 is 401202310212.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013202103) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 118508442 + ... + 118510230.

Almost surely, 2^212013202104 is an apocalyptic number.

212013202104 is a gapful number since it is divisible by the number (24) 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 212013202104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322365825600).

212013202104 is an abundant number, since it is smaller than the sum of its proper divisors (432718449096).

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

212013202104 is a wasteful number, since it uses less digits than its factorization.

212013202104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2089 counting only the distinct ones).

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

Adding to 212013202104 its reverse (401202310212), we get a palindrome (613215512316).

The spelling of 212013202104 in words is "two hundred twelve billion, thirteen million, two hundred two thousand, one hundred four".