2011212325405 has 8 divisors (see below), whose sum is σ = 2422426743000. Its totient is φ = 1602988558656.

The previous prime is 2011212325393. The next prime is 2011212325489. The reversal of 2011212325405 is 5045232121102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15058725796 + 1996153599609 = 122714^2 + 1412853^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2011212325405 - 2⁹ = 2011212324893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747661230 + ... + 747663919.

It is an arithmetic number, because the mean of its divisors is an integer number (302803342875).

Almost surely, 2^{2011212325405} is an apocalyptic number.

It is an amenable number.

2011212325405 is a deficient number, since it is larger than the sum of its proper divisors (411214417595).

2011212325405 is a wasteful number, since it uses less digits than its factorization.

2011212325405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495325423.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 2011212325405 its reverse (5045232121102), we get a palindrome (7056444446507).

The spelling of 2011212325405 in words is "two trillion, eleven billion, two hundred twelve million, three hundred twenty-five thousand, four hundred five".