6501236221712 has 10 divisors (see below), whose sum is σ = 12596145179598. Its totient is φ = 3250618110848.

The previous prime is 6501236221703. The next prime is 6501236221771. The reversal of 6501236221712 is 2171226321056.

It can be written as a sum of positive squares in only one way, i.e., 4415360828176 + 2085875393536 = 2101276^2 + 1444256^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203163631913 + ... + 203163631944.

Almost surely, 2^{6501236221712} is an apocalyptic number.

It is an amenable number.

6501236221712 is a deficient number, since it is larger than the sum of its proper divisors (6094908957886).

6501236221712 is a wasteful number, since it uses less digits than its factorization.

6501236221712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406327263865 (or 406327263859 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 6501236221712 in words is "six trillion, five hundred one billion, two hundred thirty-six million, two hundred twenty-one thousand, seven hundred twelve".