1100322012 has 24 divisors (see below), whose sum is σ = 2627126656. Its totient is φ = 358244208.

The previous prime is 1100321993. The next prime is 1100322037. The reversal of 1100322012 is 2102230011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065688 + ... + 1066719.

Almost surely, 2^1100322012 is an apocalyptic number.

1100322012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100322012 is an abundant number, since it is smaller than the sum of its proper divisors (1526804644).

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

1100322012 is a wasteful number, since it uses less digits than its factorization.

1100322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132457 (or 2132455 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1100322012 is about 33171.1020618851. The cubic root of 1100322012 is about 1032.3808348969.

Adding to 1100322012 its reverse (2102230011), we get a palindrome (3202552023).

The spelling of 1100322012 in words is "one billion, one hundred million, three hundred twenty-two thousand, twelve".