12212001204 has 96 divisors (see below), whose sum is σ = 33247589760. Its totient is φ = 3454230528.

The previous prime is 12212001163. The next prime is 12212001209. The reversal of 12212001204 is 40210021221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212001209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60492 + ... + 167580.

It is an arithmetic number, because the mean of its divisors is an integer number (346329060).

Almost surely, 2^12212001204 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 12212001204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16623794880).

12212001204 is an abundant number, since it is smaller than the sum of its proper divisors (21035588556).

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

12212001204 is a wasteful number, since it uses less digits than its factorization.

12212001204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107169 (or 107167 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12212001204 its reverse (40210021221), we get a palindrome (52422022425).

The spelling of 12212001204 in words is "twelve billion, two hundred twelve million, one thousand, two hundred four".