12122010002100 has 72 divisors (see below), whose sum is σ = 36282429963360. Its totient is φ = 3121069239680.

The previous prime is 12122010002087. The next prime is 12122010002101. The reversal of 12122010002100 is 120001022121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122010002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696658542 + ... + 696675941.

It is an arithmetic number, because the mean of its divisors is an integer number (503922638380).

Almost surely, 2^{12122010002100} is an apocalyptic number.

12122010002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122010002100 is an abundant number, since it is smaller than the sum of its proper divisors (24160419961260).

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

12122010002100 is a wasteful number, since it uses less digits than its factorization.

12122010002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393334529 (or 1393334522 counting only the distinct ones).

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

Adding to 12122010002100 its reverse (120001022121), we get a palindrome (12242011024221).

The spelling of 12122010002100 in words is "twelve trillion, one hundred twenty-two billion, ten million, two thousand, one hundred".