1212004332 has 144 divisors (see below), whose sum is σ = 3831609600. Its totient is φ = 313822080.

The previous prime is 1212004289. The next prime is 1212004349. The reversal of 1212004332 is 2334002121.

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, 1410519 + ... + 1411377.

It is an arithmetic number, because the mean of its divisors is an integer number (26608400).

Almost surely, 2^1212004332 is an apocalyptic number.

1212004332 is a gapful number since it is divisible by the number (12) 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 1212004332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1915804800).

1212004332 is an abundant number, since it is smaller than the sum of its proper divisors (2619605268).

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

1212004332 is a wasteful number, since it uses less digits than its factorization.

1212004332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1212004332 is about 34813.8525877272. The cubic root of 1212004332 is about 1066.1902925344.

Adding to 1212004332 its reverse (2334002121), we get a palindrome (3546006453).

The spelling of 1212004332 in words is "one billion, two hundred twelve million, four thousand, three hundred thirty-two".