15012143020 has 48 divisors (see below), whose sum is σ = 36133090560. Its totient is φ = 5132170944.

The previous prime is 15012142997. The next prime is 15012143023. The reversal of 15012143020 is 2034121051.

It is not an unprimeable number, because it can be changed into a prime (15012143023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105930 + ... + 203089.

It is an arithmetic number, because the mean of its divisors is an integer number (752772720).

Almost surely, 2^15012143020 is an apocalyptic number.

15012143020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15012143020 is an abundant number, since it is smaller than the sum of its proper divisors (21120947540).

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

15012143020 is a wasteful number, since it uses less digits than its factorization.

15012143020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309382 (or 309380 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 15012143020 its reverse (2034121051), we get a palindrome (17046264071).

The spelling of 15012143020 in words is "fifteen billion, twelve million, one hundred forty-three thousand, twenty".