213244041042 has 48 divisors (see below), whose sum is σ = 479326603392. Its totient is φ = 71053802640.

The previous prime is 213244041037. The next prime is 213244041067. The reversal of 213244041042 is 240140442312.

213244041042 is a `hidden beast` number, since 2 + 1 + 3 + 244 + 0 + 410 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 213244040997 and 213244041015.

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, 1190103 + ... + 1357509.

It is an arithmetic number, because the mean of its divisors is an integer number (9985970904).

Almost surely, 2^213244041042 is an apocalyptic number.

213244041042 is an abundant number, since it is smaller than the sum of its proper divisors (266082562350).

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

213244041042 is a wasteful number, since it uses less digits than its factorization.

213244041042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170045 (or 170033 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 213244041042 its reverse (240140442312), we get a palindrome (453384483354).

The spelling of 213244041042 in words is "two hundred thirteen billion, two hundred forty-four million, forty-one thousand, forty-two".