3147111019992 has 64 divisors (see below), whose sum is σ = 8044872076800. Its totient is φ = 1025478264960.

The previous prime is 3147111019991. The next prime is 3147111020059. The reversal of 3147111019992 is 2999101117413.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147111019991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747634 + ... + 2617857.

It is an arithmetic number, because the mean of its divisors is an integer number (125701126200).

Almost surely, 2^{3147111019992} is an apocalyptic number.

It is an amenable number.

3147111019992 is an abundant number, since it is smaller than the sum of its proper divisors (4897761056808).

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

3147111019992 is a wasteful number, since it uses less digits than its factorization.

3147111019992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366376 (or 3366372 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 48.

The spelling of 3147111019992 in words is "three trillion, one hundred forty-seven billion, one hundred eleven million, nineteen thousand, nine hundred ninety-two".