12535214340 has 96 divisors (see below), whose sum is σ = 38938475520. Its totient is φ = 2987324800.

The previous prime is 12535214327. The next prime is 12535214369. The reversal of 12535214340 is 4341253521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12535214298 and 12535214307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122016 + ... + 199895.

It is an arithmetic number, because the mean of its divisors is an integer number (405609120).

Almost surely, 2^12535214340 is an apocalyptic number.

12535214340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12535214340 is an abundant number, since it is smaller than the sum of its proper divisors (26403261180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12535214340 is a wasteful number, since it uses less digits than its factorization.

12535214340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321993 (or 321991 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 12535214340 its reverse (4341253521), we get a palindrome (16876467861).

The spelling of 12535214340 in words is "twelve billion, five hundred thirty-five million, two hundred fourteen thousand, three hundred forty".