12152015330340 has 24 divisors (see below), whose sum is σ = 34025642925120. Its totient is φ = 3240537421408.

The previous prime is 12152015330309. The next prime is 12152015330341. The reversal of 12152015330340 is 4303351025121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12152015330298 and 12152015330307.

It is not an unprimeable number, because it can be changed into a prime (12152015330341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101266794360 + ... + 101266794479.

It is an arithmetic number, because the mean of its divisors is an integer number (1417735121880).

Almost surely, 2^{12152015330340} is an apocalyptic number.

12152015330340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12152015330340 is an abundant number, since it is smaller than the sum of its proper divisors (21873627594780).

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

12152015330340 is a wasteful number, since it uses less digits than its factorization.

12152015330340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202533588851 (or 202533588849 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 12152015330340 its reverse (4303351025121), we get a palindrome (16455366355461).

The spelling of 12152015330340 in words is "twelve trillion, one hundred fifty-two billion, fifteen million, three hundred thirty thousand, three hundred forty".