1102120012 has 12 divisors (see below), whose sum is σ = 2204240080. Its totient is φ = 472337136.

The previous prime is 1102119961. The next prime is 1102120039. The reversal of 1102120012 is 2100212011.

1102120012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19680687 + ... + 19680742.

Almost surely, 2^1102120012 is an apocalyptic number.

It is an amenable number.

1102120012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1102120012 is a wasteful number, since it uses less digits than its factorization.

1102120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39361440 (or 39361438 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1102120012 is about 33198.1929026265. The cubic root of 1102120012 is about 1032.9428554008.

Adding to 1102120012 its reverse (2100212011), we get a palindrome (3202332023).

The spelling of 1102120012 in words is "one billion, one hundred two million, one hundred twenty thousand, twelve".