4203212412 has 24 divisors (see below), whose sum is σ = 11208566656. Its totient is φ = 1200917808.

The previous prime is 4203212389. The next prime is 4203212417. The reversal of 4203212412 is 2142123024.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4203212417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25019038 + ... + 25019205.

Almost surely, 2^4203212412 is an apocalyptic number.

4203212412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4203212412 is an abundant number, since it is smaller than the sum of its proper divisors (7005354244).

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

4203212412 is a wasteful number, since it uses less digits than its factorization.

4203212412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50038257 (or 50038255 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4203212412 is about 64832.1865434138. The cubic root of 4203212412 is about 1613.8398902057.

Adding to 4203212412 its reverse (2142123024), we get a palindrome (6345335436).

The spelling of 4203212412 in words is "four billion, two hundred three million, two hundred twelve thousand, four hundred twelve".