70012344281 has 16 divisors (see below), whose sum is σ = 81208293120. Its totient is φ = 59652929280.

The previous prime is 70012344263. The next prime is 70012344319. The reversal of 70012344281 is 18244321007.

It is not a de Polignac number, because 70012344281 - 2²² = 70008149977 is a prime.

It is a super-2 number, since 2×70012344281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70012344211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738566 + ... + 827951.

It is an arithmetic number, because the mean of its divisors is an integer number (5075518320).

Almost surely, 2^70012344281 is an apocalyptic number.

It is an amenable number.

70012344281 is a deficient number, since it is larger than the sum of its proper divisors (11195948839).

70012344281 is a wasteful number, since it uses less digits than its factorization.

70012344281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566784.

The product of its (nonzero) digits is 10752, while the sum is 32.

Adding to 70012344281 its reverse (18244321007), we get a palindrome (88256665288).

The spelling of 70012344281 in words is "seventy billion, twelve million, three hundred forty-four thousand, two hundred eighty-one".