120212201201221 has 48 divisors (see below), whose sum is σ = 134961147440640. Its totient is φ = 106686962818560.

The previous prime is 120212201201201. The next prime is 120212201201237. The reversal of 120212201201221 is 122102102212021.

It is not a de Polignac number, because 120212201201221 - 2¹⁹ = 120212200676933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212201201201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5777478000 + ... + 5777498806.

It is an arithmetic number, because the mean of its divisors is an integer number (2811690571680).

Almost surely, 2^{120212201201221} is an apocalyptic number.

It is an amenable number.

120212201201221 is a deficient number, since it is larger than the sum of its proper divisors (14748946239419).

120212201201221 is a wasteful number, since it uses less digits than its factorization.

120212201201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25202 (or 25183 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120212201201221 its reverse (122102102212021), we get a palindrome (242314303413242).

The spelling of 120212201201221 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred one million, two hundred one thousand, two hundred twenty-one".