12010100002100 has 18 divisors (see below), whose sum is σ = 26061917004774. Its totient is φ = 4804040000800.

The previous prime is 12010100002099. The next prime is 12010100002133. The reversal of 12010100002100 is 120000101021.

It can be written as a sum of positive squares in 3 ways, for example, as 4346237476 + 12005753764624 = 65926^2 + 3464932^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60050499911 + ... + 60050500110.

It is an arithmetic number, because the mean of its divisors is an integer number (1447884278043).

Almost surely, 2^{12010100002100} is an apocalyptic number.

12010100002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010100002100 is an abundant number, since it is smaller than the sum of its proper divisors (14051817002674).

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

12010100002100 is a wasteful number, since it uses less digits than its factorization.

12010100002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120101000035 (or 120101000028 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12010100002100 its reverse (120000101021), we get a palindrome (12130100103121).

The spelling of 12010100002100 in words is "twelve trillion, ten billion, one hundred million, two thousand, one hundred".