4871212123 has 6 divisors (see below), whose sum is σ = 4919929772. Its totient is φ = 4822972200.

The previous prime is 4871212111. The next prime is 4871212163. The reversal of 4871212123 is 3212121784.

It is a de Polignac number, because none of the positive numbers 2^k-4871212123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4871212163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228561 + ... + 248962.

Almost surely, 2^4871212123 is an apocalyptic number.

4871212123 is a deficient number, since it is larger than the sum of its proper divisors (48717649).

4871212123 is an equidigital number, since it uses as much as digits as its factorization.

4871212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477725 (or 477624 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 4871212123 is about 69794.0693970483. The cubic root of 4871212123 is about 1695.1664456012.

The spelling of 4871212123 in words is "four billion, eight hundred seventy-one million, two hundred twelve thousand, one hundred twenty-three".