1211031320214 has 32 divisors (see below), whose sum is σ = 2487622636800. Its totient is φ = 392751307872.

The previous prime is 1211031320179. The next prime is 1211031320237. The reversal of 1211031320214 is 4120231301121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6358137 + ... + 6545835.

It is an arithmetic number, because the mean of its divisors is an integer number (77738207400).

Almost surely, 2^{1211031320214} is an apocalyptic number.

1211031320214 is an abundant number, since it is smaller than the sum of its proper divisors (1276591316586).

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

1211031320214 is a wasteful number, since it uses less digits than its factorization.

1211031320214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216804.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1211031320214 its reverse (4120231301121), we get a palindrome (5331262621335).

The spelling of 1211031320214 in words is "one trillion, two hundred eleven billion, thirty-one million, three hundred twenty thousand, two hundred fourteen".