12723030041520 has 640 divisors, whose sum is σ = 43397222400000. Its totient is φ = 3071462768640.

The previous prime is 12723030041507. The next prime is 12723030041567. The reversal of 12723030041520 is 2514003032721.

It is a super-3 number, since 3×12723030041520³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8487677731 + ... + 8487679229.

It is an arithmetic number, because the mean of its divisors is an integer number (67808160000).

Almost surely, 2^{12723030041520} is an apocalyptic number.

12723030041520 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 12723030041520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21698611200000).

12723030041520 is an abundant number, since it is smaller than the sum of its proper divisors (30674192358480).

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

12723030041520 is a wasteful number, since it uses less digits than its factorization.

12723030041520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281 (or 2275 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 12723030041520 in words is "twelve trillion, seven hundred twenty-three billion, thirty million, forty-one thousand, five hundred twenty".