1102202112012 has 24 divisors (see below), whose sum is σ = 2583993582912. Its totient is φ = 365659467600.

The previous prime is 1102202112007. The next prime is 1102202112013. The reversal of 1102202112012 is 2102112022011.

It is a junction number, because it is equal to n+sod(n) for n = 1102202111982 and 1102202112000.

It is not an unprimeable number, because it can be changed into a prime (1102202112013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217651914 + ... + 217656977.

It is an arithmetic number, because the mean of its divisors is an integer number (107666399288).

Almost surely, 2^{1102202112012} is an apocalyptic number.

1102202112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102202112012 is an abundant number, since it is smaller than the sum of its proper divisors (1481791470900).

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

1102202112012 is a wasteful number, since it uses less digits than its factorization.

1102202112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435309109 (or 435309107 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1102202112012 its reverse (2102112022011), we get a palindrome (3204314134023).

Subtracting 1102202112012 from its reverse (2102112022011), we obtain a palindrome (999909909999).

The spelling of 1102202112012 in words is "one trillion, one hundred two billion, two hundred two million, one hundred twelve thousand, twelve".