247414456212121 has 12 divisors (see below), whose sum is σ = 272287584695700. Its totient is φ = 224644207821440.

The previous prime is 247414456212101. The next prime is 247414456212163. The reversal of 247414456212121 is 121212654414742.

It can be written as a sum of positive squares in 2 ways, for example, as 87875831872521 + 159538624339600 = 9374211^2 + 12630860^2 .

It is not a de Polignac number, because 247414456212121 - 2⁹ = 247414456211609 is a prime.

It is a super-2 number, since 2×247414456212121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247414456212101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1263652156 + ... + 1263847933.

It is an arithmetic number, because the mean of its divisors is an integer number (22690632057975).

Almost surely, 2^{247414456212121} is an apocalyptic number.

It is an amenable number.

247414456212121 is a deficient number, since it is larger than the sum of its proper divisors (24873128483579).

247414456212121 is a wasteful number, since it uses less digits than its factorization.

247414456212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527500920 (or 2527500909 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The spelling of 247414456212121 in words is "two hundred forty-seven trillion, four hundred fourteen billion, four hundred fifty-six million, two hundred twelve thousand, one hundred twenty-one".