12474513216 has 280 divisors, whose sum is σ = 40534949664. Its totient is φ = 3761925120.

The previous prime is 12474513209. The next prime is 12474513223. The reversal of 12474513216 is 61231547421.

12474513216 is a `hidden beast` number, since 124 + 7 + 4 + 513 + 2 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (12474513209) and next prime (12474513223).

It is a super-2 number, since 2×12474513216² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16137406 + ... + 16138178.

Almost surely, 2^12474513216 is an apocalyptic number.

12474513216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12474513216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20267474832).

12474513216 is an abundant number, since it is smaller than the sum of its proper divisors (28060436448).

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

12474513216 is a wasteful number, since it uses less digits than its factorization.

12474513216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1072 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The spelling of 12474513216 in words is "twelve billion, four hundred seventy-four million, five hundred thirteen thousand, two hundred sixteen".