1211214222213 has 16 divisors (see below), whose sum is σ = 1667343255552. Its totient is φ = 781289910000.

The previous prime is 1211214222209. The next prime is 1211214222217. The reversal of 1211214222213 is 3122224121121.

It is an interprime number because it is at equal distance from previous prime (1211214222209) and next prime (1211214222217).

It is not a de Polignac number, because 1211214222213 - 2² = 1211214222209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211214222217) 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, 626803 + ... + 1677888.

It is an arithmetic number, because the mean of its divisors is an integer number (104208953472).

Almost surely, 2^{1211214222213} is an apocalyptic number.

It is an amenable number.

1211214222213 is a deficient number, since it is larger than the sum of its proper divisors (456129033339).

1211214222213 is a wasteful number, since it uses less digits than its factorization.

1211214222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310376.

The product of its digits is 768, while the sum is 24.

Adding to 1211214222213 its reverse (3122224121121), we get a palindrome (4333438343334).

The spelling of 1211214222213 in words is "one trillion, two hundred eleven billion, two hundred fourteen million, two hundred twenty-two thousand, two hundred thirteen".