1102200012 has 36 divisors (see below), whose sum is σ = 2796981096. Its totient is φ = 365967360.

The previous prime is 1102199983. The next prime is 1102200019. The reversal of 1102200012 is 2100022011.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 1102199967 and 1102200003.

It is not an unprimeable number, because it can be changed into a prime (1102200019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50314 + ... + 68817.

Almost surely, 2^1102200012 is an apocalyptic number.

1102200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102200012 is an abundant number, since it is smaller than the sum of its proper divisors (1694781084).

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

1102200012 is a wasteful number, since it uses less digits than its factorization.

1102200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119398 (or 119393 counting only the distinct ones).

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

The square root of 1102200012 is about 33199.3977656222. The cubic root of 1102200012 is about 1032.9678476667.

Adding to 1102200012 its reverse (2100022011), we get a palindrome (3202222023).

The spelling of 1102200012 in words is "one billion, one hundred two million, two hundred thousand, twelve".