2871212919822 has 24 divisors (see below), whose sum is σ = 6699496813464. Its totient is φ = 883450129104.

The previous prime is 2871212919821. The next prime is 2871212919847. The reversal of 2871212919822 is 2289192121782.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871212919821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6135070108 + ... + 6135070575.

It is an arithmetic number, because the mean of its divisors is an integer number (279145700561).

Almost surely, 2^{2871212919822} is an apocalyptic number.

2871212919822 is an abundant number, since it is smaller than the sum of its proper divisors (3828283893642).

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

2871212919822 is a wasteful number, since it uses less digits than its factorization.

2871212919822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12270140704 (or 12270140701 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The spelling of 2871212919822 in words is "two trillion, eight hundred seventy-one billion, two hundred twelve million, nine hundred nineteen thousand, eight hundred twenty-two".