2912120005559 has 4 divisors (see below), whose sum is σ = 2913527508840. Its totient is φ = 2910712502280.

The previous prime is 2912120005523. The next prime is 2912120005567. The reversal of 2912120005559 is 9555000212192.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2912120005559 - 2⁸ = 2912120005303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2912120002559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703748537 + ... + 703752674.

It is an arithmetic number, because the mean of its divisors is an integer number (728381877210).

Almost surely, 2^{2912120005559} is an apocalyptic number.

2912120005559 is a deficient number, since it is larger than the sum of its proper divisors (1407503281).

2912120005559 is a wasteful number, since it uses less digits than its factorization.

2912120005559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407503280.

The product of its (nonzero) digits is 81000, while the sum is 41.

The spelling of 2912120005559 in words is "two trillion, nine hundred twelve billion, one hundred twenty million, five thousand, five hundred fifty-nine".