12020100020200 has 24 divisors (see below), whose sum is σ = 27946732547430. Its totient is φ = 4808040008000.

The previous prime is 12020100020191. The next prime is 12020100020273. The reversal of 12020100020200 is 202000102021.

It can be written as a sum of positive squares in 3 ways, for example, as 11019783995236 + 1000316024964 = 3319606^2 + 1000158^2 .

It is a super-2 number, since 2×12020100020200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 30050249851 + ... + 30050250250.

Almost surely, 2^{12020100020200} is an apocalyptic number.

12020100020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020100020200 is an abundant number, since it is smaller than the sum of its proper divisors (15926632527230).

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

12020100020200 is a wasteful number, since it uses less digits than its factorization.

12020100020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60100500117 (or 60100500108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12020100020200 its reverse (202000102021), we get a palindrome (12222100122221).

The spelling of 12020100020200 in words is "twelve trillion, twenty billion, one hundred million, twenty thousand, two hundred".