120433223421 has 24 divisors (see below), whose sum is σ = 205223642624. Its totient is φ = 66599016480.

The previous prime is 120433223411. The next prime is 120433223441. The reversal of 120433223421 is 124322334021.

120433223421 is a `hidden beast` number, since 1 + 2 + 0 + 433 + 223 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 120433223421 - 2⁷ = 120433223293 is a prime.

It is a super-2 number, since 2×120433223421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120433223411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30830926 + ... + 30834831.

Almost surely, 2^120433223421 is an apocalyptic number.

It is an amenable number.

120433223421 is a deficient number, since it is larger than the sum of its proper divisors (84790419203).

120433223421 is a wasteful number, since it uses less digits than its factorization.

120433223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61665801 (or 61665798 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 120433223421 its reverse (124322334021), we get a palindrome (244755557442).

The spelling of 120433223421 in words is "one hundred twenty billion, four hundred thirty-three million, two hundred twenty-three thousand, four hundred twenty-one".