86073212121 has 32 divisors (see below), whose sum is σ = 131385367680. Its totient is φ = 49683456000.

The previous prime is 86073212119. The next prime is 86073212189. The reversal of 86073212121 is 12121237068.

It is not a de Polignac number, because 86073212121 - 2¹ = 86073212119 is a prime.

It is a super-2 number, since 2×86073212121² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86073212111) 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 31 ways as a sum of consecutive naturals, for example, 500200 + ... + 649881.

It is an arithmetic number, because the mean of its divisors is an integer number (4105792740).

Almost surely, 2^86073212121 is an apocalyptic number.

It is an amenable number.

86073212121 is a deficient number, since it is larger than the sum of its proper divisors (45312155559).

86073212121 is a wasteful number, since it uses less digits than its factorization.

86073212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150217.

The product of its (nonzero) digits is 8064, while the sum is 33.

Adding to 86073212121 its reverse (12121237068), we get a palindrome (98194449189).

The spelling of 86073212121 in words is "eighty-six billion, seventy-three million, two hundred twelve thousand, one hundred twenty-one".