84162722212 has 6 divisors (see below), whose sum is σ = 147284763878. Its totient is φ = 42081361104.

The previous prime is 84162722209. The next prime is 84162722249. The reversal of 84162722212 is 21222726148.

It can be written as a sum of positive squares in only one way, i.e., 80477746596 + 3684975616 = 283686^2 + 60704^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10520340273 + ... + 10520340280.

Almost surely, 2^84162722212 is an apocalyptic number.

It is an amenable number.

84162722212 is a deficient number, since it is larger than the sum of its proper divisors (63122041666).

84162722212 is a wasteful number, since it uses less digits than its factorization.

84162722212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21040680557 (or 21040680555 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The spelling of 84162722212 in words is "eighty-four billion, one hundred sixty-two million, seven hundred twenty-two thousand, two hundred twelve".