340212315205 has 16 divisors (see below), whose sum is σ = 482665749120. Its totient is φ = 225244014912.

The previous prime is 340212315151. The next prime is 340212315217. The reversal of 340212315205 is 502513212043.

It is not a de Polignac number, because 340212315205 - 2⁷ = 340212315077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167591259 + ... + 167593288.

It is an arithmetic number, because the mean of its divisors is an integer number (30166609320).

Almost surely, 2^340212315205 is an apocalyptic number.

340212315205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340212315205 is a deficient number, since it is larger than the sum of its proper divisors (142453433915).

340212315205 is a wasteful number, since it uses less digits than its factorization.

340212315205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335184588.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 340212315205 its reverse (502513212043), we get a palindrome (842725527248).

The spelling of 340212315205 in words is "three hundred forty billion, two hundred twelve million, three hundred fifteen thousand, two hundred five".