1102021212012 has 24 divisors (see below), whose sum is σ = 2938723232256. Its totient is φ = 314863203408.

The previous prime is 1102021211947. The next prime is 1102021212013. The reversal of 1102021212012 is 2102121202011.

It is a junction number, because it is equal to n+sod(n) for n = 1102021211982 and 1102021212000.

It is not an unprimeable number, because it can be changed into a prime (1102021212013) 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, 6559649988 + ... + 6559650155.

It is an arithmetic number, because the mean of its divisors is an integer number (122446801344).

Almost surely, 2^{1102021212012} is an apocalyptic number.

1102021212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102021212012 is an abundant number, since it is smaller than the sum of its proper divisors (1836702020244).

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

1102021212012 is a wasteful number, since it uses less digits than its factorization.

1102021212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13119300157 (or 13119300155 counting only the distinct ones).

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

Adding to 1102021212012 its reverse (2102121202011), we get a palindrome (3204142414023).

The spelling of 1102021212012 in words is "one trillion, one hundred two billion, twenty-one million, two hundred twelve thousand, twelve".