1229935796228 has 18 divisors (see below), whose sum is σ = 2279015626986. Its totient is φ = 578789012224.

The previous prime is 1229935796189. The next prime is 1229935796231. The reversal of 1229935796228 is 8226975399221.

It can be written as a sum of positive squares in 3 ways, for example, as 655853783104 + 574082013124 = 809848^2 + 757682^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9078008 + ... + 9212496.

It is an arithmetic number, because the mean of its divisors is an integer number (126611979277).

Almost surely, 2^{1229935796228} is an apocalyptic number.

It is an amenable number.

1229935796228 is a deficient number, since it is larger than the sum of its proper divisors (1049079830758).

1229935796228 is an frugal number, since it uses more digits than its factorization.

1229935796228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268999 (or 134508 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 65.

The spelling of 1229935796228 in words is "one trillion, two hundred twenty-nine billion, nine hundred thirty-five million, seven hundred ninety-six thousand, two hundred twenty-eight".