120012000101221 has 4 divisors (see below), whose sum is σ = 126328421159200. Its totient is φ = 113695579043244.

The previous prime is 120012000101209. The next prime is 120012000101239. The reversal of 120012000101221 is 122101000210021.

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 120012000101221 - 2⁷ = 120012000101093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012000107221) 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, 3158210528961 + ... + 3158210528998.

It is an arithmetic number, because the mean of its divisors is an integer number (31582105289800).

Almost surely, 2^{120012000101221} is an apocalyptic number.

It is an amenable number.

120012000101221 is a deficient number, since it is larger than the sum of its proper divisors (6316421057979).

120012000101221 is an equidigital number, since it uses as much as digits as its factorization.

120012000101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316421057978.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120012000101221 its reverse (122101000210021), we get a palindrome (242113000311242).

The spelling of 120012000101221 in words is "one hundred twenty trillion, twelve billion, one hundred one thousand, two hundred twenty-one".