1211206414 has 32 divisors (see below), whose sum is σ = 2089929600. Its totient is φ = 520662240.

The previous prime is 1211206333. The next prime is 1211206417. The reversal of 1211206414 is 4146021121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211206417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273264 + ... + 277660.

It is an arithmetic number, because the mean of its divisors is an integer number (65310300).

Almost surely, 2^1211206414 is an apocalyptic number.

1211206414 is a deficient number, since it is larger than the sum of its proper divisors (878723186).

1211206414 is a wasteful number, since it uses less digits than its factorization.

1211206414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1211206414 is about 34802.3909236133. The cubic root of 1211206414 is about 1065.9562671920.

Adding to 1211206414 its reverse (4146021121), we get a palindrome (5357227535).

The spelling of 1211206414 in words is "one billion, two hundred eleven million, two hundred six thousand, four hundred fourteen".