72412238051 has 2 divisors, whose sum is σ = 72412238052. Its totient is φ = 72412238050.

The previous prime is 72412238047. The next prime is 72412238137. The reversal of 72412238051 is 15083221427.

It is a weak prime.

It is an emirp because it is prime and its reverse (15083221427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72412238051 - 2² = 72412238047 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (72412228051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36206119025 + 36206119026.

It is an arithmetic number, because the mean of its divisors is an integer number (36206119026).

Almost surely, 2^72412238051 is an apocalyptic number.

72412238051 is a deficient number, since it is larger than the sum of its proper divisors (1).

72412238051 is an equidigital number, since it uses as much as digits as its factorization.

72412238051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 72412238051 its reverse (15083221427), we get a palindrome (87495459478).

The spelling of 72412238051 in words is "seventy-two billion, four hundred twelve million, two hundred thirty-eight thousand, fifty-one".