2990212205 has 8 divisors (see below), whose sum is σ = 3675773304. Its totient is φ = 2333824000.

The previous prime is 2990212201. The next prime is 2990212241. The reversal of 2990212205 is 5022120992.

It can be written as a sum of positive squares in 4 ways, for example, as 134699236 + 2855512969 = 11606^2 + 53437^2 .

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

It is not a de Polignac number, because 2990212205 - 2² = 2990212201 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 (2990212201) 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, 7292996 + ... + 7293405.

It is an arithmetic number, because the mean of its divisors is an integer number (459471663).

Almost surely, 2^2990212205 is an apocalyptic number.

It is an amenable number.

2990212205 is a deficient number, since it is larger than the sum of its proper divisors (685561099).

2990212205 is a wasteful number, since it uses less digits than its factorization.

2990212205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14586447.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 2990212205 is about 54682.8328179878. The cubic root of 2990212205 is about 1440.6793677391.

The spelling of 2990212205 in words is "two billion, nine hundred ninety million, two hundred twelve thousand, two hundred five".