2112987499 has 8 divisors (see below), whose sum is σ = 2424026880. Its totient is φ = 1804244136.

The previous prime is 2112987493. The next prime is 2112987533. The reversal of 2112987499 is 9947892112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112987499 - 2¹³ = 2112979307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112987493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572029 + ... + 575710.

It is an arithmetic number, because the mean of its divisors is an integer number (303003360).

Almost surely, 2^2112987499 is an apocalyptic number.

2112987499 is a deficient number, since it is larger than the sum of its proper divisors (311039381).

2112987499 is a wasteful number, since it uses less digits than its factorization.

2112987499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148009.

The product of its digits is 653184, while the sum is 52.

The square root of 2112987499 is about 45967.2437611828. The cubic root of 2112987499 is about 1283.2136652944.

The spelling of 2112987499 in words is "two billion, one hundred twelve million, nine hundred eighty-seven thousand, four hundred ninety-nine".