42121141324302 has 16 divisors (see below), whose sum is σ = 84242498884560. Its totient is φ = 14040344402112.

The previous prime is 42121141324201. The next prime is 42121141324307. The reversal of 42121141324302 is 20342314112124.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42121141324302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42121141324307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6420277 + ... + 11200992.

It is an arithmetic number, because the mean of its divisors is an integer number (5265156180285).

Almost surely, 2^{42121141324302} is an apocalyptic number.

42121141324302 is an abundant number, since it is smaller than the sum of its proper divisors (42121357560258).

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

42121141324302 is a wasteful number, since it uses less digits than its factorization.

42121141324302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18019667.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 42121141324302 its reverse (20342314112124), we get a palindrome (62463455436426).

The spelling of 42121141324302 in words is "forty-two trillion, one hundred twenty-one billion, one hundred forty-one million, three hundred twenty-four thousand, three hundred two".