305615030400012 has 12 divisors (see below), whose sum is σ = 713101737600056. Its totient is φ = 101871676800000.

The previous prime is 305615030399989. The next prime is 305615030400047. The reversal of 305615030400012 is 210004030516503.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12733959599989 + ... + 12733959600012.

Almost surely, 2^{305615030400012} is an apocalyptic number.

It is an amenable number.

305615030400012 is an abundant number, since it is smaller than the sum of its proper divisors (407486707200044).

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

305615030400012 is a wasteful number, since it uses less digits than its factorization.

305615030400012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25467919200008 (or 25467919200006 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 305615030400012 its reverse (210004030516503), we get a palindrome (515619060916515).

The spelling of 305615030400012 in words is "three hundred five trillion, six hundred fifteen billion, thirty million, four hundred thousand, twelve".