15020354012 has 48 divisors (see below), whose sum is σ = 29314081440. Its totient is φ = 6692401152.

The previous prime is 15020354009. The next prime is 15020354023. The reversal of 15020354012 is 21045302051.

It is a super-2 number, since 2×15020354012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3740918 + ... + 3744930.

It is an arithmetic number, because the mean of its divisors is an integer number (610710030).

Almost surely, 2^15020354012 is an apocalyptic number.

It is an amenable number.

15020354012 is a deficient number, since it is larger than the sum of its proper divisors (14293727428).

15020354012 is a wasteful number, since it uses less digits than its factorization.

15020354012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950 (or 6948 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 15020354012 its reverse (21045302051), we get a palindrome (36065656063).

The spelling of 15020354012 in words is "fifteen billion, twenty million, three hundred fifty-four thousand, twelve".