243302011220142 has 120 divisors (see below), whose sum is σ = 634825139572800. Its totient is φ = 69444711927360.

The previous prime is 243302011220123. The next prime is 243302011220179. The reversal of 243302011220142 is 241022110203342.

243302011220142 is a `hidden beast` number, since 2 + 4 + 3 + 302 + 0 + 112 + 201 + 42 = 666.

It is a super-2 number, since 2×243302011220142² (a number of 30 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7597767 + ... + 23330882.

It is an arithmetic number, because the mean of its divisors is an integer number (5290209496440).

Almost surely, 2^{243302011220142} is an apocalyptic number.

243302011220142 is an abundant number, since it is smaller than the sum of its proper divisors (391523128352658).

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

243302011220142 is a wasteful number, since it uses less digits than its factorization.

243302011220142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30929668 (or 30929652 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 243302011220142 its reverse (241022110203342), we get a palindrome (484324121423484).

The spelling of 243302011220142 in words is "two hundred forty-three trillion, three hundred two billion, eleven million, two hundred twenty thousand, one hundred forty-two".