12478900237 has 16 divisors (see below), whose sum is σ = 13238251200. Its totient is φ = 11730026880.

The previous prime is 12478900211. The next prime is 12478900241. The reversal of 12478900237 is 73200987421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12478900237 is a prime.

It is a super-2 number, since 2×12478900237² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12478900193 and 12478900202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12478900267) 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, 2410662 + ... + 2415832.

It is an arithmetic number, because the mean of its divisors is an integer number (827390700).

Almost surely, 2^12478900237 is an apocalyptic number.

It is an amenable number.

12478900237 is a deficient number, since it is larger than the sum of its proper divisors (759350963).

12478900237 is a wasteful number, since it uses less digits than its factorization.

12478900237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 12478900237 in words is "twelve billion, four hundred seventy-eight million, nine hundred thousand, two hundred thirty-seven".