12354322042142 has 4 divisors (see below), whose sum is σ = 18531483063216. Its totient is φ = 6177161021070.

The previous prime is 12354322042103. The next prime is 12354322042147. The reversal of 12354322042142 is 24124022345321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12354322042147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3088580510534 + ... + 3088580510537.

It is an arithmetic number, because the mean of its divisors is an integer number (4632870765804).

Almost surely, 2^{12354322042142} is an apocalyptic number.

12354322042142 is a deficient number, since it is larger than the sum of its proper divisors (6177161021074).

12354322042142 is an equidigital number, since it uses as much as digits as its factorization.

12354322042142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6177161021073.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 12354322042142 its reverse (24124022345321), we get a palindrome (36478344387463).

The spelling of 12354322042142 in words is "twelve trillion, three hundred fifty-four billion, three hundred twenty-two million, forty-two thousand, one hundred forty-two".