12120102220101 has 32 divisors (see below), whose sum is σ = 16614041310720. Its totient is φ = 7853569971264.

The previous prime is 12120102220081. The next prime is 12120102220103. The reversal of 12120102220101 is 10102220102121.

It is not a de Polignac number, because 12120102220101 - 2²² = 12120098025797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120102220103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 816545986 + ... + 816560828.

It is an arithmetic number, because the mean of its divisors is an integer number (519188790960).

Almost surely, 2^{12120102220101} is an apocalyptic number.

It is an amenable number.

12120102220101 is a deficient number, since it is larger than the sum of its proper divisors (4493939090619).

12120102220101 is a wasteful number, since it uses less digits than its factorization.

12120102220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21985.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12120102220101 its reverse (10102220102121), we get a palindrome (22222322322222).

The spelling of 12120102220101 in words is "twelve trillion, one hundred twenty billion, one hundred two million, two hundred twenty thousand, one hundred one".