1204021212212 has 96 divisors (see below), whose sum is σ = 2612153026560. Its totient is φ = 472853116800.

The previous prime is 1204021212187. The next prime is 1204021212221. The reversal of 1204021212212 is 2122121204021.

It is a happy number.

It is a super-3 number, since 3×1204021212212³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

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, 96015839 + ... + 96028377.

It is an arithmetic number, because the mean of its divisors is an integer number (27209927360).

Almost surely, 2^{1204021212212} 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 1204021212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306076513280).

1204021212212 is an abundant number, since it is smaller than the sum of its proper divisors (1408131814348).

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

1204021212212 is a wasteful number, since it uses less digits than its factorization.

1204021212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14461 (or 14459 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1204021212212 its reverse (2122121204021), we get a palindrome (3326142416233).

The spelling of 1204021212212 in words is "one trillion, two hundred four billion, twenty-one million, two hundred twelve thousand, two hundred twelve".