12211621614 has 32 divisors (see below), whose sum is σ = 27142580640. Its totient is φ = 4069694016.

The previous prime is 12211621607. The next prime is 12211621621. The reversal of 12211621614 is 41612611221.

12211621614 is a `hidden beast` number, since 1 + 2 + 21 + 1 + 6 + 21 + 614 = 666.

It is an interprime number because it is at equal distance from previous prime (12211621607) and next prime (12211621621).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272802 + ... + 314394.

It is an arithmetic number, because the mean of its divisors is an integer number (848205645).

Almost surely, 2^12211621614 is an apocalyptic number.

12211621614 is an abundant number, since it is smaller than the sum of its proper divisors (14930959026).

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

12211621614 is a wasteful number, since it uses less digits than its factorization.

12211621614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47041 (or 47035 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The spelling of 12211621614 in words is "twelve billion, two hundred eleven million, six hundred twenty-one thousand, six hundred fourteen".