121321322433 has 48 divisors (see below), whose sum is σ = 182100934080. Its totient is φ = 77741236608.

The previous prime is 121321322431. The next prime is 121321322449. The reversal of 121321322433 is 334223123121.

121321322433 is a `hidden beast` number, since 1 + 2 + 13 + 213 + 2 + 2 + 433 = 666.

It is not a de Polignac number, because 121321322433 - 2¹ = 121321322431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121321322397 and 121321322406.

It is not an unprimeable number, because it can be changed into a prime (121321322431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67890166 + ... + 67891952.

It is an arithmetic number, because the mean of its divisors is an integer number (3793769460).

Almost surely, 2^121321322433 is an apocalyptic number.

It is an amenable number.

121321322433 is a deficient number, since it is larger than the sum of its proper divisors (60779611647).

121321322433 is a wasteful number, since it uses less digits than its factorization.

121321322433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846 (or 2843 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 121321322433 its reverse (334223123121), we get a palindrome (455544445554).

The spelling of 121321322433 in words is "one hundred twenty-one billion, three hundred twenty-one million, three hundred twenty-two thousand, four hundred thirty-three".