1222631504116 has 18 divisors (see below), whose sum is σ = 2351797377650. Its totient is φ = 555741592560.

The previous prime is 1222631504111. The next prime is 1222631504119. The reversal of 1222631504116 is 6114051362221.

It can be written as a sum of positive squares in only one way, i.e., 1212421210000 + 10210294116 = 1101100^2 + 101046^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222631504111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1263048591 + ... + 1263049558.

Almost surely, 2^{1222631504116} is an apocalyptic number.

It is an amenable number.

1222631504116 is a deficient number, since it is larger than the sum of its proper divisors (1129165873534).

1222631504116 is a wasteful number, since it uses less digits than its factorization.

1222631504116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526098175 (or 2526098162 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 1222631504116 its reverse (6114051362221), we get a palindrome (7336682866337).

The spelling of 1222631504116 in words is "one trillion, two hundred twenty-two billion, six hundred thirty-one million, five hundred four thousand, one hundred sixteen".