213243002412 has 24 divisors (see below), whose sum is σ = 542800370112. Its totient is φ = 64619091600.

The previous prime is 213243002411. The next prime is 213243002417. The reversal of 213243002412 is 214200342312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213243002411) 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, 807738514 + ... + 807738777.

It is an arithmetic number, because the mean of its divisors is an integer number (22616682088).

Almost surely, 2^213243002412 is an apocalyptic number.

213243002412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213243002412 is an abundant number, since it is smaller than the sum of its proper divisors (329557367700).

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

213243002412 is a wasteful number, since it uses less digits than its factorization.

213243002412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615477309 (or 1615477307 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213243002412 its reverse (214200342312), we get a palindrome (427443344724).

The spelling of 213243002412 in words is "two hundred thirteen billion, two hundred forty-three million, two thousand, four hundred twelve".