1214103212 has 96 divisors (see below), whose sum is σ = 2677691520. Its totient is φ = 469647360.

The previous prime is 1214103197. The next prime is 1214103271. The reversal of 1214103212 is 2123014121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3878768 + ... + 3879080.

It is an arithmetic number, because the mean of its divisors is an integer number (27892620).

Almost surely, 2^1214103212 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 1214103212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338845760).

1214103212 is an abundant number, since it is smaller than the sum of its proper divisors (1463588308).

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

1214103212 is a wasteful number, since it uses less digits than its factorization.

1214103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1214103212 is about 34843.9838709640. The cubic root of 1214103212 is about 1066.8053934587.

Adding to 1214103212 its reverse (2123014121), we get a palindrome (3337117333).

The spelling of 1214103212 in words is "one billion, two hundred fourteen million, one hundred three thousand, two hundred twelve".