120012231100211 has 6 divisors (see below), whose sum is σ = 124293285718212. Its totient is φ = 115873878302840.

The previous prime is 120012231100207. The next prime is 120012231100217. The reversal of 120012231100211 is 112001132210021.

It is a happy number.

It is not a de Polignac number, because 120012231100211 - 2² = 120012231100207 is a prime.

It is a super-2 number, since 2×120012231100211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120012231100211.

It is not an unprimeable number, because it can be changed into a prime (120012231100217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71350909445 + ... + 71350911126.

It is an arithmetic number, because the mean of its divisors is an integer number (20715547619702).

Almost surely, 2^{120012231100211} is an apocalyptic number.

120012231100211 is a deficient number, since it is larger than the sum of its proper divisors (4281054618001).

120012231100211 is an equidigital number, since it uses as much as digits as its factorization.

120012231100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142701820629 (or 142701820600 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 120012231100211 its reverse (112001132210021), we get a palindrome (232013363310232).

The spelling of 120012231100211 in words is "one hundred twenty trillion, twelve billion, two hundred thirty-one million, one hundred thousand, two hundred eleven".