12901723604 has 48 divisors (see below), whose sum is σ = 28201044480. Its totient is φ = 5017390560.

The previous prime is 12901723543. The next prime is 12901723663. The reversal of 12901723604 is 40632710921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130187 + ... + 206765.

It is an arithmetic number, because the mean of its divisors is an integer number (587521760).

Almost surely, 2^12901723604 is an apocalyptic number.

12901723604 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 12901723604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14100522240).

12901723604 is an abundant number, since it is smaller than the sum of its proper divisors (15299320876).

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

12901723604 is a wasteful number, since it uses less digits than its factorization.

12901723604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77148 (or 77146 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 12901723604 in words is "twelve billion, nine hundred one million, seven hundred twenty-three thousand, six hundred four".