72412051370117 has 2 divisors, whose sum is σ = 72412051370118. Its totient is φ = 72412051370116.

The previous prime is 72412051370093. The next prime is 72412051370173. The reversal of 72412051370117 is 71107315021427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57406701111841 + 15005350258276 = 7576721^2 + 3873674^2 .

It is an emirp because it is prime and its reverse (71107315021427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72412051370117 - 2¹² = 72412051366021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72412051370177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36206025685058 + 36206025685059.

It is an arithmetic number, because the mean of its divisors is an integer number (36206025685059).

Almost surely, 2^{72412051370117} is an apocalyptic number.

It is an amenable number.

72412051370117 is a deficient number, since it is larger than the sum of its proper divisors (1).

72412051370117 is an equidigital number, since it uses as much as digits as its factorization.

72412051370117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 72412051370117 in words is "seventy-two trillion, four hundred twelve billion, fifty-one million, three hundred seventy thousand, one hundred seventeen".