213012440102 has 32 divisors (see below), whose sum is σ = 419327297280. Its totient is φ = 78623866080.

The previous prime is 213012440093. The next prime is 213012440107. The reversal of 213012440102 is 201044210312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213012440107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36397013 + ... + 36402864.

It is an arithmetic number, because the mean of its divisors is an integer number (13103978040).

Almost surely, 2^213012440102 is an apocalyptic number.

213012440102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213012440102 is a deficient number, since it is larger than the sum of its proper divisors (206314857178).

213012440102 is a wasteful number, since it uses less digits than its factorization.

213012440102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72799916.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 213012440102 its reverse (201044210312), we get a palindrome (414056650414).

The spelling of 213012440102 in words is "two hundred thirteen billion, twelve million, four hundred forty thousand, one hundred two".