120011100101212 has 48 divisors (see below), whose sum is σ = 219634270007040. Its totient is φ = 57270074476032.

The previous prime is 120011100101161. The next prime is 120011100101219. The reversal of 120011100101212 is 212101001110021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120011100101192 and 120011100101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011100101219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96019843 + ... + 97261669.

It is an arithmetic number, because the mean of its divisors is an integer number (4575713958480).

Almost surely, 2^{120011100101212} is an apocalyptic number.

It is an amenable number.

120011100101212 is a deficient number, since it is larger than the sum of its proper divisors (99623169905828).

120011100101212 is a wasteful number, since it uses less digits than its factorization.

120011100101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244170 (or 1244168 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120011100101212 its reverse (212101001110021), we get a palindrome (332112101211233).

The spelling of 120011100101212 in words is "one hundred twenty trillion, eleven billion, one hundred million, one hundred one thousand, two hundred twelve".