12911358330 has 288 divisors, whose sum is σ = 37984826880. Its totient is φ = 3038031360.

The previous prime is 12911358319. The next prime is 12911358349. The reversal of 12911358330 is 3385311921.

12911358330 is a `hidden beast` number, since 1 + 291 + 1 + 35 + 8 + 330 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 65539792 + ... + 65539988.

It is an arithmetic number, because the mean of its divisors is an integer number (131891760).

Almost surely, 2^12911358330 is an apocalyptic number.

12911358330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12911358330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18992413440).

12911358330 is an abundant number, since it is smaller than the sum of its proper divisors (25073468550).

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

12911358330 is a wasteful number, since it uses less digits than its factorization.

12911358330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 12911358330 in words is "twelve billion, nine hundred eleven million, three hundred fifty-eight thousand, three hundred thirty".