12123013335 has 64 divisors (see below), whose sum is σ = 19975680000. Its totient is φ = 6276441600.

The previous prime is 12123013319. The next prime is 12123013363. The reversal of 12123013335 is 53331032121.

It is not a de Polignac number, because 12123013335 - 2⁴ = 12123013319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23817061 + ... + 23817569.

It is an arithmetic number, because the mean of its divisors is an integer number (312120000).

Almost surely, 2^12123013335 is an apocalyptic number.

12123013335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12123013335 is a deficient number, since it is larger than the sum of its proper divisors (7852666665).

12123013335 is a wasteful number, since it uses less digits than its factorization.

12123013335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 12123013335 its reverse (53331032121), we get a palindrome (65454045456).

The spelling of 12123013335 in words is "twelve billion, one hundred twenty-three million, thirteen thousand, three hundred thirty-five".