121232163415 has 32 divisors (see below), whose sum is σ = 161360957952. Its totient is φ = 86693712000.

The previous prime is 121232163379. The next prime is 121232163457. The reversal of 121232163415 is 514361232121.

It is not a de Polignac number, because 121232163415 - 2¹⁷ = 121232032343 is a prime.

It is a super-3 number, since 3×121232163415³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15734454 + ... + 15742156.

It is an arithmetic number, because the mean of its divisors is an integer number (5042529936).

Almost surely, 2^121232163415 is an apocalyptic number.

121232163415 is a deficient number, since it is larger than the sum of its proper divisors (40128794537).

121232163415 is a wasteful number, since it uses less digits than its factorization.

121232163415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12471.

The product of its digits is 8640, while the sum is 31.

Adding to 121232163415 its reverse (514361232121), we get a palindrome (635593395536).

The spelling of 121232163415 in words is "one hundred twenty-one billion, two hundred thirty-two million, one hundred sixty-three thousand, four hundred fifteen".