120204321501 has 16 divisors (see below), whose sum is σ = 175439396160. Its totient is φ = 72602459520.

The previous prime is 120204321451. The next prime is 120204321581. The reversal of 120204321501 is 105123402021.

It is not a de Polignac number, because 120204321501 - 2²² = 120200127197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120204321581) 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, 6206296 + ... + 6225633.

It is an arithmetic number, because the mean of its divisors is an integer number (10964962260).

Almost surely, 2^120204321501 is an apocalyptic number.

120204321501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120204321501 is a deficient number, since it is larger than the sum of its proper divisors (55235074659).

120204321501 is a wasteful number, since it uses less digits than its factorization.

120204321501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12432236.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 120204321501 its reverse (105123402021), we get a palindrome (225327723522).

The spelling of 120204321501 in words is "one hundred twenty billion, two hundred four million, three hundred twenty-one thousand, five hundred one".