2012213161 has 8 divisors (see below), whose sum is σ = 2337372224. Its totient is φ = 1696479120.

The previous prime is 2012213101. The next prime is 2012213173. The reversal of 2012213161 is 1613122102.

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

It is not a de Polignac number, because 2012213161 - 2¹³ = 2012204969 is a prime.

It is a super-2 number, since 2×2012213161² = 8098003610603223842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012213101) 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, 2355795 + ... + 2356648.

It is an arithmetic number, because the mean of its divisors is an integer number (292171528).

Almost surely, 2^2012213161 is an apocalyptic number.

It is an amenable number.

2012213161 is a deficient number, since it is larger than the sum of its proper divisors (325159063).

2012213161 is an equidigital number, since it uses as much as digits as its factorization.

2012213161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712511.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2012213161 is about 44857.6990158880. The cubic root of 2012213161 is about 1262.4804503198.

Adding to 2012213161 its reverse (1613122102), we get a palindrome (3625335263).

The spelling of 2012213161 in words is "two billion, twelve million, two hundred thirteen thousand, one hundred sixty-one".