1002212111112 has 128 divisors (see below), whose sum is σ = 2711710310400. Its totient is φ = 307627891200.

The previous prime is 1002212111101. The next prime is 1002212111119. The reversal of 1002212111112 is 2111112122001.

It is a happy number.

1002212111112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1002212111091 and 1002212111100.

It is not an unprimeable number, because it can be changed into a prime (1002212111119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4967713 + ... + 5165519.

It is an arithmetic number, because the mean of its divisors is an integer number (21185236800).

Almost surely, 2^{1002212111112} is an apocalyptic number.

1002212111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002212111112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355855155200).

1002212111112 is an abundant number, since it is smaller than the sum of its proper divisors (1709498199288).

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

1002212111112 is a wasteful number, since it uses less digits than its factorization.

1002212111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198147 (or 198143 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1002212111112 its reverse (2111112122001), we get a palindrome (3113324233113).

The spelling of 1002212111112 in words is "one trillion, two billion, two hundred twelve million, one hundred eleven thousand, one hundred twelve".