1228057894826 has 32 divisors (see below), whose sum is σ = 2116770969600. Its totient is φ = 523429632000.

The previous prime is 1228057894823. The next prime is 1228057894879. The reversal of 1228057894826 is 6284987508221.

It is not an unprimeable number, because it can be changed into a prime (1228057894823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11576426 + ... + 11682026.

It is an arithmetic number, because the mean of its divisors is an integer number (66149092800).

Almost surely, 2^{1228057894826} is an apocalyptic number.

1228057894826 is a deficient number, since it is larger than the sum of its proper divisors (888713074774).

1228057894826 is a wasteful number, since it uses less digits than its factorization.

1228057894826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110150.

The product of its (nonzero) digits is 30965760, while the sum is 62.

The spelling of 1228057894826 in words is "one trillion, two hundred twenty-eight billion, fifty-seven million, eight hundred ninety-four thousand, eight hundred twenty-six".