12122020101 has 16 divisors (see below), whose sum is σ = 16590331008. Its totient is φ = 7870152000.

The previous prime is 12122020081. The next prime is 12122020123. The reversal of 12122020101 is 10102022121.

It is not a de Polignac number, because 12122020101 - 2⁵ = 12122020069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122020601) 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, 309441 + ... + 346406.

It is an arithmetic number, because the mean of its divisors is an integer number (1036895688).

Almost surely, 2^12122020101 is an apocalyptic number.

It is an amenable number.

12122020101 is a deficient number, since it is larger than the sum of its proper divisors (4468310907).

12122020101 is a wasteful number, since it uses less digits than its factorization.

12122020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656012.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12122020101 its reverse (10102022121), we get a palindrome (22224042222).

It can be divided in two parts, 12122020 and 101, that added together give a palindrome (12122121).

The spelling of 12122020101 in words is "twelve billion, one hundred twenty-two million, twenty thousand, one hundred one".