12478515100370 has 48 divisors (see below), whose sum is σ = 25263057314880. Its totient is φ = 4432115281440.

The previous prime is 12478515100349. The next prime is 12478515100393. The reversal of 12478515100370 is 7300151587421.

It is a super-2 number, since 2×12478515100370² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119864510 + ... + 119968569.

It is an arithmetic number, because the mean of its divisors is an integer number (526313694060).

Almost surely, 2^{12478515100370} is an apocalyptic number.

12478515100370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12478515100370 is an abundant number, since it is smaller than the sum of its proper divisors (12784542214510).

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

12478515100370 is a wasteful number, since it uses less digits than its factorization.

12478515100370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239833151 (or 239833140 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 44.

Adding to 12478515100370 its reverse (7300151587421), we get a palindrome (19778666687791).

The spelling of 12478515100370 in words is "twelve trillion, four hundred seventy-eight billion, five hundred fifteen million, one hundred thousand, three hundred seventy".