121302432433 has 16 divisors (see below), whose sum is σ = 152936654976. Its totient is φ = 93634680960.

The previous prime is 121302432397. The next prime is 121302432439. The reversal of 121302432433 is 334234203121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121302432433 - 2¹⁷ = 121302301361 is a prime.

It is a super-2 number, since 2×121302432433² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121302432439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16252291 + ... + 16259752.

It is an arithmetic number, because the mean of its divisors is an integer number (9558540936).

Almost surely, 2^121302432433 is an apocalyptic number.

121302432433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121302432433 is a deficient number, since it is larger than the sum of its proper divisors (31634222543).

121302432433 is a wasteful number, since it uses less digits than its factorization.

121302432433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32512104.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 121302432433 its reverse (334234203121), we get a palindrome (455536635554).

The spelling of 121302432433 in words is "one hundred twenty-one billion, three hundred two million, four hundred thirty-two thousand, four hundred thirty-three".