1211432440314 has 8 divisors (see below), whose sum is σ = 2422864880640. Its totient is φ = 403810813436.

The previous prime is 1211432440313. The next prime is 1211432440321. The reversal of 1211432440314 is 4130442341121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1211432440314 is an admirable number.

It is a super-3 number, since 3×1211432440314³ (a number of 37 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1211432440313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100952703354 + ... + 100952703365.

It is an arithmetic number, because the mean of its divisors is an integer number (302858110080).

Almost surely, 2^{1211432440314} is an apocalyptic number.

1211432440314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1211432440314 is a wasteful number, since it uses less digits than its factorization.

1211432440314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201905406724.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1211432440314 its reverse (4130442341121), we get a palindrome (5341874781435).

The spelling of 1211432440314 in words is "one trillion, two hundred eleven billion, four hundred thirty-two million, four hundred forty thousand, three hundred fourteen".