2521104012 has 72 divisors (see below), whose sum is σ = 7711625376. Its totient is φ = 677942784.

The previous prime is 2521103999. The next prime is 2521104013. The reversal of 2521104012 is 2104011252.

2521104012 is a `hidden beast` number, since 252 + 1 + 10 + 401 + 2 = 666.

2521104012 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2521104012² = 12711930878644992288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2521104013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289963 + ... + 298530.

It is an arithmetic number, because the mean of its divisors is an integer number (107105908).

Almost surely, 2^2521104012 is an apocalyptic number.

It is an amenable number.

2521104012 is an abundant number, since it is smaller than the sum of its proper divisors (5190521364).

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

2521104012 is a wasteful number, since it uses less digits than its factorization.

2521104012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588527 (or 588522 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2521104012 is about 50210.5966106757. The cubic root of 2521104012 is about 1361.0171190277.

Adding to 2521104012 its reverse (2104011252), we get a palindrome (4625115264).

The spelling of 2521104012 in words is "two billion, five hundred twenty-one million, one hundred four thousand, twelve".