213412123320105 has 32 divisors (see below), whose sum is σ = 343672755240960. Its totient is φ = 113083145588160.

The previous prime is 213412123320089. The next prime is 213412123320113. The reversal of 213412123320105 is 501023321214312.

It is not a de Polignac number, because 213412123320105 - 2⁴ = 213412123320089 is a prime.

It is a super-2 number, since 2×213412123320105² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32373481 + ... + 38403990.

It is an arithmetic number, because the mean of its divisors is an integer number (10739773601280).

Almost surely, 2^{213412123320105} is an apocalyptic number.

It is an amenable number.

213412123320105 is a deficient number, since it is larger than the sum of its proper divisors (130260631920855).

213412123320105 is a wasteful number, since it uses less digits than its factorization.

213412123320105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70778781.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 213412123320105 its reverse (501023321214312), we get a palindrome (714435444534417).

The spelling of 213412123320105 in words is "two hundred thirteen trillion, four hundred twelve billion, one hundred twenty-three million, three hundred twenty thousand, one hundred five".