12614561850 has 384 divisors, whose sum is σ = 37951856640. Its totient is φ = 2737152000.

The previous prime is 12614561849. The next prime is 12614561857. The reversal of 12614561850 is 5816541621.

It is a junction number, because it is equal to n+sod(n) for n = 12614561799 and 12614561808.

It is not an unprimeable number, because it can be changed into a prime (12614561857) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 77389869 + ... + 77390031.

It is an arithmetic number, because the mean of its divisors is an integer number (98832960).

Almost surely, 2^12614561850 is an apocalyptic number.

12614561850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12614561850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18975928320).

12614561850 is an abundant number, since it is smaller than the sum of its proper divisors (25337294790).

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

12614561850 is a wasteful number, since it uses less digits than its factorization.

12614561850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 12614561850 in words is "twelve billion, six hundred fourteen million, five hundred sixty-one thousand, eight hundred fifty".