12120020111001 has 8 divisors (see below), whose sum is σ = 17629120161504. Its totient is φ = 7345466733920.

The previous prime is 12120020110999. The next prime is 12120020111027. The reversal of 12120020111001 is 10011102002121.

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

It is a cyclic number.

It is not a de Polignac number, because 12120020111001 - 2¹ = 12120020110999 is a prime.

It is a super-2 number, since 2×12120020111001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12120020111071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183636668316 + ... + 183636668381.

It is an arithmetic number, because the mean of its divisors is an integer number (2203640020188).

Almost surely, 2^{12120020111001} is an apocalyptic number.

12120020111001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12120020111001 is a deficient number, since it is larger than the sum of its proper divisors (5509100050503).

12120020111001 is a wasteful number, since it uses less digits than its factorization.

12120020111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367273336711.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12120020111001 its reverse (10011102002121), we get a palindrome (22131122113122).

The spelling of 12120020111001 in words is "twelve trillion, one hundred twenty billion, twenty million, one hundred eleven thousand, one".