12059997660 has 288 divisors, whose sum is σ = 38988069120. Its totient is φ = 3128191488.

The previous prime is 12059997641. The next prime is 12059997683. The reversal of 12059997660 is 6679995021.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 12059997597 and 12059997606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39283227 + ... + 39283533.

It is an arithmetic number, because the mean of its divisors is an integer number (135375240).

Almost surely, 2^12059997660 is an apocalyptic number.

12059997660 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 12059997660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19494034560).

12059997660 is an abundant number, since it is smaller than the sum of its proper divisors (26928071460).

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

12059997660 is a wasteful number, since it uses less digits than its factorization.

12059997660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 12059997660 in words is "twelve billion, fifty-nine million, nine hundred ninety-seven thousand, six hundred sixty".