121312030354433 has 4 divisors (see below), whose sum is σ = 121511885429760. Its totient is φ = 121112175279108.

The previous prime is 121312030354393. The next prime is 121312030354507. The reversal of 121312030354433 is 334453030213121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121312030354433 - 2²⁶ = 121311963245569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121312030354393 and 121312030354402.

It is not an unprimeable number, because it can be changed into a prime (121312030354633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99927536753 + ... + 99927537966.

It is an arithmetic number, because the mean of its divisors is an integer number (30377971357440).

Almost surely, 2^{121312030354433} is an apocalyptic number.

It is an amenable number.

121312030354433 is a deficient number, since it is larger than the sum of its proper divisors (199855075327).

121312030354433 is an equidigital number, since it uses as much as digits as its factorization.

121312030354433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199855075326.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 121312030354433 its reverse (334453030213121), we get a palindrome (455765060567554).

The spelling of 121312030354433 in words is "one hundred twenty-one trillion, three hundred twelve billion, thirty million, three hundred fifty-four thousand, four hundred thirty-three".