1226723613116 has 24 divisors (see below), whose sum is σ = 2156463100176. Its totient is φ = 610596316800.

The previous prime is 1226723613113. The next prime is 1226723613119. The reversal of 1226723613116 is 6113163276221.

It is an interprime number because it is at equal distance from previous prime (1226723613113) and next prime (1226723613119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226723613113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352016 + ... + 1605416.

It is an arithmetic number, because the mean of its divisors is an integer number (89852629174).

Almost surely, 2^{1226723613116} is an apocalyptic number.

It is an amenable number.

1226723613116 is a deficient number, since it is larger than the sum of its proper divisors (929739487060).

1226723613116 is a wasteful number, since it uses less digits than its factorization.

1226723613116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254509 (or 1254507 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

Adding to 1226723613116 its reverse (6113163276221), we get a palindrome (7339886889337).

The spelling of 1226723613116 in words is "one trillion, two hundred twenty-six billion, seven hundred twenty-three million, six hundred thirteen thousand, one hundred sixteen".