42120132402430 has 8 divisors (see below), whose sum is σ = 75816238324392. Its totient is φ = 16848052960968.

The previous prime is 42120132402367. The next prime is 42120132402431. The reversal of 42120132402430 is 3420423102124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120132402431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106006620112 + ... + 2106006620131.

It is an arithmetic number, because the mean of its divisors is an integer number (9477029790549).

Almost surely, 2^{42120132402430} is an apocalyptic number.

42120132402430 is a deficient number, since it is larger than the sum of its proper divisors (33696105921962).

42120132402430 is a wasteful number, since it uses less digits than its factorization.

42120132402430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212013240250.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42120132402430 its reverse (3420423102124), we get a palindrome (45540555504554).

The spelling of 42120132402430 in words is "forty-two trillion, one hundred twenty billion, one hundred thirty-two million, four hundred two thousand, four hundred thirty".