12146481510 has 64 divisors (see below), whose sum is σ = 30177100800. Its totient is φ = 3125263232.

The previous prime is 12146481509. The next prime is 12146481511. The reversal of 12146481510 is 1518464121.

It is an interprime number because it is at equal distance from previous prime (12146481509) and next prime (12146481511).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146481511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1603111 + ... + 1610669.

It is an arithmetic number, because the mean of its divisors is an integer number (471517200).

Almost surely, 2^12146481510 is an apocalyptic number.

12146481510 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 12146481510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15088550400).

12146481510 is an abundant number, since it is smaller than the sum of its proper divisors (18030619290).

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

12146481510 is a wasteful number, since it uses less digits than its factorization.

12146481510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445.

The product of its (nonzero) digits is 7680, while the sum is 33.

The spelling of 12146481510 in words is "twelve billion, one hundred forty-six million, four hundred eighty-one thousand, five hundred ten".