120120021201 has 24 divisors (see below), whose sum is σ = 169180276320. Its totient is φ = 75799249344.

The previous prime is 120120021143. The next prime is 120120021233. The reversal of 120120021201 is 102120021021.

It is not a de Polignac number, because 120120021201 - 2¹⁸ = 120119759057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120120021401) 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, 1211845 + ... + 1307213.

It is an arithmetic number, because the mean of its divisors is an integer number (7049178180).

Almost surely, 2^120120021201 is an apocalyptic number.

It is an amenable number.

120120021201 is a deficient number, since it is larger than the sum of its proper divisors (49060255119).

120120021201 is a wasteful number, since it uses less digits than its factorization.

120120021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96573 (or 96554 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120120021201 its reverse (102120021021), we get a palindrome (222240042222).

The spelling of 120120021201 in words is "one hundred twenty billion, one hundred twenty million, twenty-one thousand, two hundred one".