345125012 has 6 divisors (see below), whose sum is σ = 603968778. Its totient is φ = 172562504.

The previous prime is 345124961. The next prime is 345125017. The reversal of 345125012 is 210521543.

It can be written as a sum of positive squares in only one way, i.e., 262569616 + 82555396 = 16204^2 + 9086^2 .

It is a super-2 number, since 2×345125012² = 238222547816000288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345125017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43140623 + ... + 43140630.

It is an arithmetic number, because the mean of its divisors is an integer number (100661463).

Almost surely, 2^345125012 is an apocalyptic number.

It is an amenable number.

345125012 is a deficient number, since it is larger than the sum of its proper divisors (258843766).

345125012 is a wasteful number, since it uses less digits than its factorization.

345125012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86281257 (or 86281255 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 345125012 is about 18577.5405261299. The cubic root of 345125012 is about 701.4426113131.

Adding to 345125012 its reverse (210521543), we get a palindrome (555646555).

The spelling of 345125012 in words is "three hundred forty-five million, one hundred twenty-five thousand, twelve".