202012111005 has 8 divisors (see below), whose sum is σ = 323219377632. Its totient is φ = 107739792528.

The previous prime is 202012110913. The next prime is 202012111009. The reversal of 202012111005 is 500111210202.

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

It is not a de Polignac number, because 202012111005 - 2¹¹ = 202012108957 is a prime.

It is a super-2 number, since 2×202012111005² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 13467474067 = 202012111005 / (2 + 0 + 2 + 0 + 1 + 2 + 1 + 1 + 1 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012111009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6733737019 + ... + 6733737048.

It is an arithmetic number, because the mean of its divisors is an integer number (40402422204).

Almost surely, 2^202012111005 is an apocalyptic number.

It is an amenable number.

202012111005 is a deficient number, since it is larger than the sum of its proper divisors (121207266627).

202012111005 is a wasteful number, since it uses less digits than its factorization.

202012111005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13467474075.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 202012111005 its reverse (500111210202), we get a palindrome (702123321207).

The spelling of 202012111005 in words is "two hundred two billion, twelve million, one hundred eleven thousand, five".