11020200012 has 60 divisors (see below), whose sum is σ = 29203685896. Its totient is φ = 3623071680.

The previous prime is 11020199947. The next prime is 11020200029. The reversal of 11020200012 is 21000202011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11020199967 and 11020200003.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 209314 + ... + 256617.

Almost surely, 2^11020200012 is an apocalyptic number.

11020200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11020200012 is an abundant number, since it is smaller than the sum of its proper divisors (18183485884).

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

11020200012 is a wasteful number, since it uses less digits than its factorization.

11020200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466020 (or 466009 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11020200012 its reverse (21000202011), we get a palindrome (32020402023).

The spelling of 11020200012 in words is "eleven billion, twenty million, two hundred thousand, twelve".