15012132340 has 24 divisors (see below), whose sum is σ = 32120300520. Its totient is φ = 5891553408.

The previous prime is 15012132301. The next prime is 15012132371. The reversal of 15012132340 is 4323121051.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113976976 + 14898155364 = 10676^2 + 122058^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7080135 + ... + 7082254.

It is an arithmetic number, because the mean of its divisors is an integer number (1338345855).

Almost surely, 2^15012132340 is an apocalyptic number.

15012132340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15012132340 is an abundant number, since it is smaller than the sum of its proper divisors (17108168180).

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

15012132340 is a wasteful number, since it uses less digits than its factorization.

15012132340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162451 (or 14162449 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 15012132340 its reverse (4323121051), we get a palindrome (19335253391).

The spelling of 15012132340 in words is "fifteen billion, twelve million, one hundred thirty-two thousand, three hundred forty".