42123000221330 has 64 divisors (see below), whose sum is σ = 88804005827328. Its totient is φ = 14084704085760.

The previous prime is 42123000221303. The next prime is 42123000221339. The reversal of 42123000221330 is 3312200032124.

42123000221330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42123000221296 and 42123000221305.

It is not an unprimeable number, because it can be changed into a prime (42123000221339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8749901 + ... + 12680960.

It is an arithmetic number, because the mean of its divisors is an integer number (1387562591052).

Almost surely, 2^{42123000221330} is an apocalyptic number.

42123000221330 is an abundant number, since it is smaller than the sum of its proper divisors (46681005605998).

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

42123000221330 is a wasteful number, since it uses less digits than its factorization.

42123000221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21431571.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42123000221330 its reverse (3312200032124), we get a palindrome (45435200253454).

The spelling of 42123000221330 in words is "forty-two trillion, one hundred twenty-three billion, two hundred twenty-one thousand, three hundred thirty".