12142262222465 has 16 divisors (see below), whose sum is σ = 15281402830848. Its totient is φ = 9244305381696.

The previous prime is 12142262222443. The next prime is 12142262222471. The reversal of 12142262222465 is 56422226224121.

It is a cyclic number.

It is not a de Polignac number, because 12142262222465 - 2¹⁸ = 12142261960321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 267959297 + ... + 268004606.

It is an arithmetic number, because the mean of its divisors is an integer number (955087676928).

Almost surely, 2^{12142262222465} is an apocalyptic number.

It is an amenable number.

12142262222465 is a deficient number, since it is larger than the sum of its proper divisors (3139140608383).

12142262222465 is a wasteful number, since it uses less digits than its factorization.

12142262222465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535964128.

The product of its digits is 368640, while the sum is 41.

Adding to 12142262222465 its reverse (56422226224121), we get a palindrome (68564488446586).

The spelling of 12142262222465 in words is "twelve trillion, one hundred forty-two billion, two hundred sixty-two million, two hundred twenty-two thousand, four hundred sixty-five".