121310112032 has 24 divisors (see below), whose sum is σ = 238837403196. Its totient is φ = 60652993792.

The previous prime is 121310112013. The next prime is 121310112097. The reversal of 121310112032 is 230211013121.

It can be written as a sum of positive squares in 2 ways, for example, as 120273014416 + 1037097616 = 346804^2 + 32204^2 .

It is a super-2 number, since 2×121310112032² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121310112032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411478 + ... + 1494954.

Almost surely, 2^121310112032 is an apocalyptic number.

It is an amenable number.

121310112032 is a deficient number, since it is larger than the sum of its proper divisors (117527291164).

121310112032 is an equidigital number, since it uses as much as digits as its factorization.

121310112032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128900 (or 128892 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121310112032 its reverse (230211013121), we get a palindrome (351521125153).

The spelling of 121310112032 in words is "one hundred twenty-one billion, three hundred ten million, one hundred twelve thousand, thirty-two".