500702012121 has 4 divisors (see below), whose sum is σ = 667602682832. Its totient is φ = 333801341412.

The previous prime is 500702012113. The next prime is 500702012137. The reversal of 500702012121 is 121210207005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 500702012121 - 2³ = 500702012113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500702012191) 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, 83450335351 + ... + 83450335356.

It is an arithmetic number, because the mean of its divisors is an integer number (166900670708).

Almost surely, 2^500702012121 is an apocalyptic number.

It is an amenable number.

500702012121 is a deficient number, since it is larger than the sum of its proper divisors (166900670711).

500702012121 is a wasteful number, since it uses less digits than its factorization.

500702012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166900670710.

The product of its (nonzero) digits is 280, while the sum is 21.

Adding to 500702012121 its reverse (121210207005), we get a palindrome (621912219126).

The spelling of 500702012121 in words is "five hundred billion, seven hundred two million, twelve thousand, one hundred twenty-one".