12420438153 has 16 divisors (see below), whose sum is σ = 17542236096. Its totient is φ = 7789882880.

The previous prime is 12420438131. The next prime is 12420438167. The reversal of 12420438153 is 35183402421.

It is a cyclic number.

It is not a de Polignac number, because 12420438153 - 2¹⁶ = 12420372617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12420438103) 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, 71158 + ... + 172928.

It is an arithmetic number, because the mean of its divisors is an integer number (1096389756).

Almost surely, 2^12420438153 is an apocalyptic number.

It is an amenable number.

12420438153 is a deficient number, since it is larger than the sum of its proper divisors (5121797943).

12420438153 is a wasteful number, since it uses less digits than its factorization.

12420438153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104184.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 12420438153 in words is "twelve billion, four hundred twenty million, four hundred thirty-eight thousand, one hundred fifty-three".