12220071796 has 6 divisors (see below), whose sum is σ = 21385125650. Its totient is φ = 6110035896.

The previous prime is 12220071791. The next prime is 12220071803. The reversal of 12220071796 is 69717002221.

It can be written as a sum of positive squares in only one way, i.e., 10148547600 + 2071524196 = 100740^2 + 45514^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220071791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527508971 + ... + 1527508978.

Almost surely, 2^12220071796 is an apocalyptic number.

It is an amenable number.

12220071796 is a deficient number, since it is larger than the sum of its proper divisors (9165053854).

12220071796 is a wasteful number, since it uses less digits than its factorization.

12220071796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055017953 (or 3055017951 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 12220071796 in words is "twelve billion, two hundred twenty million, seventy-one thousand, seven hundred ninety-six".