213310012042 has 4 divisors (see below), whose sum is σ = 319965018066. Its totient is φ = 106655006020.

The previous prime is 213310012037. The next prime is 213310012063. The reversal of 213310012042 is 240210013312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 170725149721 + 42584862321 = 413189^2 + 206361^2 .

It is a super-2 number, since 2×213310012042² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 53327503009 + ... + 53327503012.

Almost surely, 2^213310012042 is an apocalyptic number.

213310012042 is a deficient number, since it is larger than the sum of its proper divisors (106655006024).

213310012042 is a wasteful number, since it uses less digits than its factorization.

213310012042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106655006023.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213310012042 its reverse (240210013312), we get a palindrome (453520025354).

The spelling of 213310012042 in words is "two hundred thirteen billion, three hundred ten million, twelve thousand, forty-two".