2187295512 has 32 divisors (see below), whose sum is σ = 5498798400. Its totient is φ = 725023904.

The previous prime is 2187295493. The next prime is 2187295529. The reversal of 2187295512 is 2155927812.

2187295512 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250278 + ... + 258869.

It is an arithmetic number, because the mean of its divisors is an integer number (171837450).

Almost surely, 2^2187295512 is an apocalyptic number.

It is an amenable number.

2187295512 is an abundant number, since it is smaller than the sum of its proper divisors (3311502888).

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

2187295512 is a wasteful number, since it uses less digits than its factorization.

2187295512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509335 (or 509331 counting only the distinct ones).

The product of its digits is 100800, while the sum is 42.

The square root of 2187295512 is about 46768.5312149099. The cubic root of 2187295512 is about 1298.0830745743.

The spelling of 2187295512 in words is "two billion, one hundred eighty-seven million, two hundred ninety-five thousand, five hundred twelve".