12142254225455 has 8 divisors (see below), whose sum is σ = 14570958147552. Its totient is φ = 9713634662368.

The previous prime is 12142254225433. The next prime is 12142254225467. The reversal of 12142254225455 is 55452245224121.

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

It is a cyclic number.

It is not a de Polignac number, because 12142254225455 - 2⁴² = 7744207714351 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 20772659 + ... + 21349188.

It is an arithmetic number, because the mean of its divisors is an integer number (1821369768444).

Almost surely, 2^{12142254225455} is an apocalyptic number.

12142254225455 is a deficient number, since it is larger than the sum of its proper divisors (2428703922097).

12142254225455 is an equidigital number, since it uses as much as digits as its factorization.

12142254225455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42179505.

The product of its digits is 1280000, while the sum is 44.

Adding to 12142254225455 its reverse (55452245224121), we get a palindrome (67594499449576).

The spelling of 12142254225455 in words is "twelve trillion, one hundred forty-two billion, two hundred fifty-four million, two hundred twenty-five thousand, four hundred fifty-five".