121230030121232 has 20 divisors (see below), whose sum is σ = 234883439598540. Its totient is φ = 60614948934528.

The previous prime is 121230030121229. The next prime is 121230030121247. The reversal of 121230030121232 is 232121030032121.

It can be written as a sum of positive squares in 2 ways, for example, as 88405426637056 + 32824603484176 = 9402416^2 + 5729276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121230030121198 and 121230030121207.

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, 13192994 + ... + 20408702.

It is an arithmetic number, because the mean of its divisors is an integer number (11744171979927).

Almost surely, 2^{121230030121232} is an apocalyptic number.

It is an amenable number.

121230030121232 is a deficient number, since it is larger than the sum of its proper divisors (113653409477308).

121230030121232 is a wasteful number, since it uses less digits than its factorization.

121230030121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8265770 (or 8265764 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121230030121232 its reverse (232121030032121), we get a palindrome (353351060153353).

The spelling of 121230030121232 in words is "one hundred twenty-one trillion, two hundred thirty billion, thirty million, one hundred twenty-one thousand, two hundred thirty-two".