213202043242412 has 36 divisors (see below), whose sum is σ = 434072156903784. Its totient is φ = 91360996513920.

The previous prime is 213202043242393. The next prime is 213202043242417. The reversal of 213202043242412 is 214242340202312.

It is a super-2 number, since 2×213202043242412² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213202043242417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65720018 + ... + 68887769.

It is an arithmetic number, because the mean of its divisors is an integer number (12057559913994).

Almost surely, 2^{213202043242412} is an apocalyptic number.

It is an amenable number.

213202043242412 is an abundant number, since it is smaller than the sum of its proper divisors (220870113661372).

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

213202043242412 is a wasteful number, since it uses less digits than its factorization.

213202043242412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134615886 (or 134615877 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 213202043242412 its reverse (214242340202312), we get a palindrome (427444383444724).

The spelling of 213202043242412 in words is "two hundred thirteen trillion, two hundred two billion, forty-three million, two hundred forty-two thousand, four hundred twelve".