12122102011020 has 24 divisors (see below), whose sum is σ = 33941885631024. Its totient is φ = 3232560536256.

The previous prime is 12122102010959. The next prime is 12122102011027. The reversal of 12122102011020 is 2011020122121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (12122102011027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101017516699 + ... + 101017516818.

It is an arithmetic number, because the mean of its divisors is an integer number (1414245234626).

Almost surely, 2^{12122102011020} is an apocalyptic number.

12122102011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122102011020 is an abundant number, since it is smaller than the sum of its proper divisors (21819783620004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122102011020 is a wasteful number, since it uses less digits than its factorization.

12122102011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202035033529 (or 202035033527 counting only the distinct ones).

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

Adding to 12122102011020 its reverse (2011020122121), we get a palindrome (14133122133141).

The spelling of 12122102011020 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, eleven thousand, twenty".