11212666312623 has 4 divisors (see below), whose sum is σ = 14950221750168. Its totient is φ = 7475110875080.

The previous prime is 11212666312583. The next prime is 11212666312643. The reversal of 11212666312623 is 32621366621211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11212666312623 - 2⁶ = 11212666312559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212666312643) 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, 1868777718768 + ... + 1868777718773.

It is an arithmetic number, because the mean of its divisors is an integer number (3737555437542).

Almost surely, 2^{11212666312623} is an apocalyptic number.

11212666312623 is a deficient number, since it is larger than the sum of its proper divisors (3737555437545).

11212666312623 is an equidigital number, since it uses as much as digits as its factorization.

11212666312623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737555437544.

The product of its digits is 186624, while the sum is 42.

The spelling of 11212666312623 in words is "eleven trillion, two hundred twelve billion, six hundred sixty-six million, three hundred twelve thousand, six hundred twenty-three".