120403012533 has 32 divisors (see below), whose sum is σ = 171337576320. Its totient is φ = 74945495040.

The previous prime is 120403012519. The next prime is 120403012589. The reversal of 120403012533 is 335210304021.

It is not a de Polignac number, because 120403012533 - 2⁴ = 120403012517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120403012733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5120758 + ... + 5144216.

It is an arithmetic number, because the mean of its divisors is an integer number (5354299260).

Almost surely, 2^120403012533 is an apocalyptic number.

It is an amenable number.

120403012533 is a deficient number, since it is larger than the sum of its proper divisors (50934563787).

120403012533 is a wasteful number, since it uses less digits than its factorization.

120403012533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24277.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 120403012533 its reverse (335210304021), we get a palindrome (455613316554).

The spelling of 120403012533 in words is "one hundred twenty billion, four hundred three million, twelve thousand, five hundred thirty-three".