345212124 has 12 divisors (see below), whose sum is σ = 805494984. Its totient is φ = 115070704.

The previous prime is 345212113. The next prime is 345212167. The reversal of 345212124 is 421212543.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 345212094 and 345212103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14383827 + ... + 14383850.

It is an arithmetic number, because the mean of its divisors is an integer number (67124582).

Almost surely, 2^345212124 is an apocalyptic number.

It is an amenable number.

345212124 is an abundant number, since it is smaller than the sum of its proper divisors (460282860).

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

345212124 is a wasteful number, since it uses less digits than its factorization.

345212124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28767684 (or 28767682 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 345212124 is about 18579.8849296760. The cubic root of 345212124 is about 701.5016227112.

Adding to 345212124 its reverse (421212543), we get a palindrome (766424667).

It can be divided in two parts, 3452 and 12124, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 345212124 in words is "three hundred forty-five million, two hundred twelve thousand, one hundred twenty-four".