12020211010100 has 18 divisors (see below), whose sum is σ = 26083857892134. Its totient is φ = 4808084404000.

The previous prime is 12020211010057. The next prime is 12020211010133. The reversal of 12020211010100 is 101011202021.

It can be written as a sum of positive squares in 3 ways, for example, as 1772247862564 + 10247963147536 = 1331258^2 + 3201244^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60101054951 + ... + 60101055150.

Almost surely, 2^{12020211010100} is an apocalyptic number.

12020211010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020211010100 is an abundant number, since it is smaller than the sum of its proper divisors (14063646882034).

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

12020211010100 is a wasteful number, since it uses less digits than its factorization.

12020211010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120202110115 (or 120202110108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12020211010100 its reverse (101011202021), we get a palindrome (12121222212121).

The spelling of 12020211010100 in words is "twelve trillion, twenty billion, two hundred eleven million, ten thousand, one hundred".