12420332332342 has 32 divisors (see below), whose sum is σ = 20611806372864. Its totient is φ = 5565720014400.

The previous prime is 12420332332231. The next prime is 12420332332367. The reversal of 12420332332342 is 24323323302421.

It is a junction number, because it is equal to n+sod(n) for n = 12420332332298 and 12420332332307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23949763 + ... + 24462865.

It is an arithmetic number, because the mean of its divisors is an integer number (644118949152).

Almost surely, 2^{12420332332342} is an apocalyptic number.

12420332332342 is a deficient number, since it is larger than the sum of its proper divisors (8191474040522).

12420332332342 is a wasteful number, since it uses less digits than its factorization.

12420332332342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528684.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 12420332332342 its reverse (24323323302421), we get a palindrome (36743655634763).

The spelling of 12420332332342 in words is "twelve trillion, four hundred twenty billion, three hundred thirty-two million, three hundred thirty-two thousand, three hundred forty-two".