3145684803912 has 192 divisors, whose sum is σ = 10054958284800. Its totient is φ = 869408588160.

The previous prime is 3145684803889. The next prime is 3145684803931. The reversal of 3145684803912 is 2193084865413.

It is a happy number.

3145684803912 is a `hidden beast` number, since 3 + 1 + 4 + 568 + 48 + 0 + 39 + 1 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38190789 + ... + 38273067.

It is an arithmetic number, because the mean of its divisors is an integer number (52369574400).

Almost surely, 2^{3145684803912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3145684803912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5027479142400).

3145684803912 is an abundant number, since it is smaller than the sum of its proper divisors (6909273480888).

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

3145684803912 is a wasteful number, since it uses less digits than its factorization.

3145684803912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84776 (or 84769 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 3145684803912 in words is "three trillion, one hundred forty-five billion, six hundred eighty-four million, eight hundred three thousand, nine hundred twelve".