120402134321001 has 16 divisors (see below), whose sum is σ = 173986295039424. Its totient is φ = 73621687224384.

The previous prime is 120402134320997. The next prime is 120402134321009. The reversal of 120402134321001 is 100123431204021.

It is not a de Polignac number, because 120402134321001 - 2² = 120402134320997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120402134321009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9831949971 + ... + 9831962216.

It is an arithmetic number, because the mean of its divisors is an integer number (10874143439964).

Almost surely, 2^{120402134321001} is an apocalyptic number.

It is an amenable number.

120402134321001 is a deficient number, since it is larger than the sum of its proper divisors (53584160718423).

120402134321001 is a wasteful number, since it uses less digits than its factorization.

120402134321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19663912360.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 120402134321001 its reverse (100123431204021), we get a palindrome (220525565525022).

The spelling of 120402134321001 in words is "one hundred twenty trillion, four hundred two billion, one hundred thirty-four million, three hundred twenty-one thousand, one".