12400235355 has 16 divisors (see below), whose sum is σ = 19860583680. Its totient is φ = 6606723168.

The previous prime is 12400235327. The next prime is 12400235357. The reversal of 12400235355 is 55353200421.

It is not a de Polignac number, because 12400235355 - 2⁶ = 12400235291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12400235357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405745 + ... + 435234.

It is an arithmetic number, because the mean of its divisors is an integer number (1241286480).

Almost surely, 2^12400235355 is an apocalyptic number.

12400235355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12400235355 is a deficient number, since it is larger than the sum of its proper divisors (7460348325).

12400235355 is an equidigital number, since it uses as much as digits as its factorization.

12400235355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841970.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 12400235355 its reverse (55353200421), we get a palindrome (67753435776).

The spelling of 12400235355 in words is "twelve billion, four hundred million, two hundred thirty-five thousand, three hundred fifty-five".