1102122012 has 24 divisors (see below), whose sum is σ = 2573980416. Its totient is φ = 367036528.

The previous prime is 1102121989. The next prime is 1102122023. The reversal of 1102122012 is 2102212011.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28398 + ... + 54869.

It is an arithmetic number, because the mean of its divisors is an integer number (107249184).

Almost surely, 2^1102122012 is an apocalyptic number.

1102122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102122012 is an abundant number, since it is smaller than the sum of its proper divisors (1471858404).

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

1102122012 is a wasteful number, since it uses less digits than its factorization.

1102122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84377 (or 84375 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1102122012 is about 33198.2230247343. The cubic root of 1102122012 is about 1032.9434802222.

Adding to 1102122012 its reverse (2102212011), we get a palindrome (3204334023).

It can be divided in two parts, 11021 and 22012, that added together give a palindrome (33033).

The spelling of 1102122012 in words is "one billion, one hundred two million, one hundred twenty-two thousand, twelve".