12315402301442 has 16 divisors (see below), whose sum is σ = 19069588414464. Its totient is φ = 5958884880000.

The previous prime is 12315402301439. The next prime is 12315402301451. The reversal of 12315402301442 is 24410320451321.

It is a junction number, because it is equal to n+sod(n) for n = 12315402301399 and 12315402301408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940559 + ... + 5051282.

It is an arithmetic number, because the mean of its divisors is an integer number (1191849275904).

Almost surely, 2^{12315402301442} is an apocalyptic number.

12315402301442 is a deficient number, since it is larger than the sum of its proper divisors (6754186113022).

12315402301442 is a wasteful number, since it uses less digits than its factorization.

12315402301442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025025.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 12315402301442 its reverse (24410320451321), we get a palindrome (36725722752763).

The spelling of 12315402301442 in words is "twelve trillion, three hundred fifteen billion, four hundred two million, three hundred one thousand, four hundred forty-two".