1214211103112 has 64 divisors (see below), whose sum is σ = 2757069498240. Its totient is φ = 489385958400.

The previous prime is 1214211103081. The next prime is 1214211103117. The reversal of 1214211103112 is 2113011124121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1214211103117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735062 + ... + 1723002.

It is an arithmetic number, because the mean of its divisors is an integer number (43079210910).

Almost surely, 2^{1214211103112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214211103112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378534749120).

1214211103112 is an abundant number, since it is smaller than the sum of its proper divisors (1542858395128).

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

1214211103112 is a wasteful number, since it uses less digits than its factorization.

1214211103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989262 (or 989258 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 1214211103112 its reverse (2113011124121), we get a palindrome (3327222227233).

The spelling of 1214211103112 in words is "one trillion, two hundred fourteen billion, two hundred eleven million, one hundred three thousand, one hundred twelve".