121201023433 has 32 divisors (see below), whose sum is σ = 142205534208. Its totient is φ = 101158200000.

The previous prime is 121201023407. The next prime is 121201023481. The reversal of 121201023433 is 334320102121.

It is a cyclic number.

It is not a de Polignac number, because 121201023433 - 2¹³ = 121201015241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121201023533) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 35572416 + ... + 35575822.

It is an arithmetic number, because the mean of its divisors is an integer number (4443922944).

Almost surely, 2^121201023433 is an apocalyptic number.

It is an amenable number.

121201023433 is a deficient number, since it is larger than the sum of its proper divisors (21004510775).

121201023433 is a wasteful number, since it uses less digits than its factorization.

121201023433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121201023433 its reverse (334320102121), we get a palindrome (455521125554).

The spelling of 121201023433 in words is "one hundred twenty-one billion, two hundred one million, twenty-three thousand, four hundred thirty-three".