42120402232334 has 24 divisors (see below), whose sum is σ = 66690680253120. Its totient is φ = 19948847228352.

The previous prime is 42120402232319. The next prime is 42120402232339. The reversal of 42120402232334 is 43323220402124.

It is a self number, because there is not a number n which added to its sum of digits gives 42120402232334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120402232339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 664547 + ... + 9202305.

It is an arithmetic number, because the mean of its divisors is an integer number (2778778343880).

Almost surely, 2^{42120402232334} is an apocalyptic number.

42120402232334 is a deficient number, since it is larger than the sum of its proper divisors (24570278020786).

42120402232334 is a wasteful number, since it uses less digits than its factorization.

42120402232334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8544632 (or 8544613 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 42120402232334 its reverse (43323220402124), we get a palindrome (85443622634458).

The spelling of 42120402232334 in words is "forty-two trillion, one hundred twenty billion, four hundred two million, two hundred thirty-two thousand, three hundred thirty-four".