121212011130032 has 80 divisors (see below), whose sum is σ = 236592908870400. Its totient is φ = 60157359085824.

The previous prime is 121212011130031. The next prime is 121212011130113. The reversal of 121212011130032 is 230031110212121.

It is a super-2 number, since 2×121212011130032² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121212011129986 and 121212011130013.

It is not an unprimeable number, because it can be changed into a prime (121212011130031) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3251638178 + ... + 3251675454.

It is an arithmetic number, because the mean of its divisors is an integer number (2957411360880).

Almost surely, 2^{121212011130032} is an apocalyptic number.

It is an amenable number.

121212011130032 is a deficient number, since it is larger than the sum of its proper divisors (115380897740368).

121212011130032 is a wasteful number, since it uses less digits than its factorization.

121212011130032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39898 (or 39892 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121212011130032 its reverse (230031110212121), we get a palindrome (351243121342153).

The spelling of 121212011130032 in words is "one hundred twenty-one trillion, two hundred twelve billion, eleven million, one hundred thirty thousand, thirty-two".