12120102401 has 8 divisors (see below), whose sum is σ = 13250492544. Its totient is φ = 10994472720.

The previous prime is 12120102389. The next prime is 12120102409. The reversal of 12120102401 is 10420102121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12120102401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120102409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184786 + ... + 1194971.

It is an arithmetic number, because the mean of its divisors is an integer number (1656311568).

Almost surely, 2^12120102401 is an apocalyptic number.

12120102401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12120102401 is a deficient number, since it is larger than the sum of its proper divisors (1130390143).

12120102401 is a wasteful number, since it uses less digits than its factorization.

12120102401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380231.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12120102401 its reverse (10420102121), we get a palindrome (22540204522).

The spelling of 12120102401 in words is "twelve billion, one hundred twenty million, one hundred two thousand, four hundred one".