12420233271355 has 48 divisors (see below), whose sum is σ = 18673068081024. Its totient is φ = 7860851953920.

The previous prime is 12420233271319. The next prime is 12420233271379. The reversal of 12420233271355 is 55317233202421.

It is not a de Polignac number, because 12420233271355 - 2⁹ = 12420233270843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34387150 + ... + 34746460.

It is an arithmetic number, because the mean of its divisors is an integer number (389022251688).

Almost surely, 2^{12420233271355} is an apocalyptic number.

12420233271355 is a deficient number, since it is larger than the sum of its proper divisors (6252834809669).

12420233271355 is a wasteful number, since it uses less digits than its factorization.

12420233271355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370196 (or 370189 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

Adding to 12420233271355 its reverse (55317233202421), we get a palindrome (67737466473776).

The spelling of 12420233271355 in words is "twelve trillion, four hundred twenty billion, two hundred thirty-three million, two hundred seventy-one thousand, three hundred fifty-five".