12919948700 has 144 divisors (see below), whose sum is σ = 31550480640. Its totient is φ = 4568256000.

The previous prime is 12919948607. The next prime is 12919948703. The reversal of 12919948700 is 784991921.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12919948703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1788095 + ... + 1795305.

It is an arithmetic number, because the mean of its divisors is an integer number (219100560).

Almost surely, 2^12919948700 is an apocalyptic number.

12919948700 is a gapful number since it is divisible by the number (10) 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 12919948700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15775240320).

12919948700 is an abundant number, since it is smaller than the sum of its proper divisors (18630531940).

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

12919948700 is a wasteful number, since it uses less digits than its factorization.

12919948700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308 (or 7301 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 50.

The spelling of 12919948700 in words is "twelve billion, nine hundred nineteen million, nine hundred forty-eight thousand, seven hundred".