1223111131214 has 16 divisors (see below), whose sum is σ = 2105115578496. Its totient is φ = 522102075000.

The previous prime is 1223111131181. The next prime is 1223111131279. The reversal of 1223111131214 is 4121311113221.

It is a super-3 number, since 3×1223111131214³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1223111131214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174030512 + ... + 174037539.

It is an arithmetic number, because the mean of its divisors is an integer number (131569723656).

Almost surely, 2^{1223111131214} is an apocalyptic number.

1223111131214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1223111131214 is a deficient number, since it is larger than the sum of its proper divisors (882004447282).

1223111131214 is a wasteful number, since it uses less digits than its factorization.

1223111131214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348068311.

The product of its digits is 288, while the sum is 23.

Adding to 1223111131214 its reverse (4121311113221), we get a palindrome (5344422244435).

The spelling of 1223111131214 in words is "one trillion, two hundred twenty-three billion, one hundred eleven million, one hundred thirty-one thousand, two hundred fourteen".