340120212 has 24 divisors (see below), whose sum is σ = 799327200. Its totient is φ = 112557216.

The previous prime is 340120211. The next prime is 340120219. The reversal of 340120212 is 212021043.

It is a super-2 number, since 2×340120212² = 231363517221849888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340120191 and 340120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340120211) 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, 100287 + ... + 103622.

It is an arithmetic number, because the mean of its divisors is an integer number (33305300).

Almost surely, 2^340120212 is an apocalyptic number.

It is an amenable number.

340120212 is an abundant number, since it is smaller than the sum of its proper divisors (459206988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340120212 is a wasteful number, since it uses less digits than its factorization.

340120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204055 (or 204053 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 340120212 is about 18442.3483320319. The cubic root of 340120212 is about 698.0354522049.

Adding to 340120212 its reverse (212021043), we get a palindrome (552141255).

The spelling of 340120212 in words is "three hundred forty million, one hundred twenty thousand, two hundred twelve".