12491770704 has 240 divisors, whose sum is σ = 39666746880. Its totient is φ = 3368252160.

The previous prime is 12491770703. The next prime is 12491770717. The reversal of 12491770704 is 40707719421.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12491770703) 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, 19796469 + ... + 19797099.

It is an arithmetic number, because the mean of its divisors is an integer number (165278112).

Almost surely, 2^12491770704 is an apocalyptic number.

12491770704 is a gapful number since it is divisible by the number (14) 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 12491770704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19833373440).

12491770704 is an abundant number, since it is smaller than the sum of its proper divisors (27174976176).

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

12491770704 is a wasteful number, since it uses less digits than its factorization.

12491770704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The spelling of 12491770704 in words is "twelve billion, four hundred ninety-one million, seven hundred seventy thousand, seven hundred four".