120212200201021 has 4 divisors (see below), whose sum is σ = 120246283618272. Its totient is φ = 120178116783772.

The previous prime is 120212200200929. The next prime is 120212200201057. The reversal of 120212200201021 is 120102002212021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120212200201021 - 2¹¹ = 120212200198973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120212200200986 and 120212200201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212200201421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17041703335 + ... + 17041710388.

It is an arithmetic number, because the mean of its divisors is an integer number (30061570904568).

Almost surely, 2^{120212200201021} is an apocalyptic number.

It is an amenable number.

120212200201021 is a deficient number, since it is larger than the sum of its proper divisors (34083417251).

120212200201021 is an equidigital number, since it uses as much as digits as its factorization.

120212200201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34083417250.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120212200201021 its reverse (120102002212021), we get a palindrome (240314202413042).

The spelling of 120212200201021 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred million, two hundred one thousand, twenty-one".