1212412032 has 192 divisors, whose sum is σ = 3812117400. Its totient is φ = 367607808.

The previous prime is 1212412013. The next prime is 1212412043. The reversal of 1212412032 is 2302142121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 488586816 + 723825216 = 22104^2 + 26904^2 .

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a junction number, because it is equal to n+sod(n) for n = 1212411996 and 1212412014.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1092694 + ... + 1093802.

Almost surely, 2^1212412032 is an apocalyptic number.

1212412032 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 1212412032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1906058700).

1212412032 is an abundant number, since it is smaller than the sum of its proper divisors (2599705368).

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

1212412032 is a wasteful number, since it uses less digits than its factorization.

1212412032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1200 counting only the distinct ones).

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

The square root of 1212412032 is about 34819.7075231829. The cubic root of 1212412032 is about 1066.3098292498.

Adding to 1212412032 its reverse (2302142121), we get a palindrome (3514554153).

The spelling of 1212412032 in words is "one billion, two hundred twelve million, four hundred twelve thousand, thirty-two".