120403004033421 has 24 divisors (see below), whose sum is σ = 173970945982080. Its totient is φ = 80243057902176.

The previous prime is 120403004033419. The next prime is 120403004033563. The reversal of 120403004033421 is 124330400304021.

120403004033421 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 0 + 300 + 4 + 0 + 334 + 21 = 666.

It is not a de Polignac number, because 120403004033421 - 2¹ = 120403004033419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120403004733421) 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, 920397600 + ... + 920528406.

It is an arithmetic number, because the mean of its divisors is an integer number (7248789415920).

Almost surely, 2^{120403004033421} is an apocalyptic number.

It is an amenable number.

120403004033421 is a deficient number, since it is larger than the sum of its proper divisors (53567941948659).

120403004033421 is a wasteful number, since it uses less digits than its factorization.

120403004033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162665 (or 162662 counting only the distinct ones).

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

Adding to 120403004033421 its reverse (124330400304021), we get a palindrome (244733404337442).

The spelling of 120403004033421 in words is "one hundred twenty trillion, four hundred three billion, four million, thirty-three thousand, four hundred twenty-one".