421247686742124 has 72 divisors (see below), whose sum is σ = 1109589804442224. Its totient is φ = 124200792144000.

The previous prime is 421247686742101. The next prime is 421247686742147.

421247686742124 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (421247686742101) and next prime (421247686742147).

It is a super-2 number, since 2×421247686742124² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3920425827 + ... + 3920533274.

It is an arithmetic number, because the mean of its divisors is an integer number (15410969506142).

Almost surely, 2^{421247686742124} is an apocalyptic number.

421247686742124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421247686742124 is an abundant number, since it is smaller than the sum of its proper divisors (688342117700100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421247686742124 is a wasteful number, since it uses less digits than its factorization.

421247686742124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7840959167 (or 7840959154 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 60.

The spelling of 421247686742124 in words is "four hundred twenty-one trillion, two hundred forty-seven billion, six hundred eighty-six million, seven hundred forty-two thousand, one hundred twenty-four".