40012100047 has 2 divisors, whose sum is σ = 40012100048. Its totient is φ = 40012100046.

The previous prime is 40012099987. The next prime is 40012100119. The reversal of 40012100047 is 74000121004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40012100047 - 2¹⁵ = 40012067279 is a prime.

It is a super-2 number, since 2×40012100047² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40012099997 and 40012100033.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40012100147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006050023 + 20006050024.

It is an arithmetic number, because the mean of its divisors is an integer number (20006050024).

Almost surely, 2^40012100047 is an apocalyptic number.

40012100047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40012100047 is an equidigital number, since it uses as much as digits as its factorization.

40012100047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The spelling of 40012100047 in words is "forty billion, twelve million, one hundred thousand, forty-seven".