351540012 has 12 divisors (see below), whose sum is σ = 820260056. Its totient is φ = 117180000.

The previous prime is 351539987. The next prime is 351540017. The reversal of 351540012 is 210045153.

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

It is not an unprimeable number, because it can be changed into a prime (351540017) by changing a digit.

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, 14647489 + ... + 14647512.

Almost surely, 2^351540012 is an apocalyptic number.

It is an amenable number.

351540012 is an abundant number, since it is smaller than the sum of its proper divisors (468720044).

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

351540012 is a wasteful number, since it uses less digits than its factorization.

351540012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29295008 (or 29295006 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 351540012 is about 18749.4003104099. The cubic root of 351540012 is about 705.7619727936.

Adding to 351540012 its reverse (210045153), we get a palindrome (561585165).

The spelling of 351540012 in words is "three hundred fifty-one million, five hundred forty thousand, twelve".