1228454394914 has 16 divisors (see below), whose sum is σ = 1849705754688. Its totient is φ = 611889525552.

The previous prime is 1228454394913. The next prime is 1228454394971. The reversal of 1228454394914 is 4194934548221.

It is a self number, because there is not a number n which added to its sum of digits gives 1228454394914.

It is not an unprimeable number, because it can be changed into a prime (1228454394913) 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, 266552 + ... + 1589955.

It is an arithmetic number, because the mean of its divisors is an integer number (115606609668).

Almost surely, 2^{1228454394914} is an apocalyptic number.

1228454394914 is a deficient number, since it is larger than the sum of its proper divisors (621251359774).

1228454394914 is a wasteful number, since it uses less digits than its factorization.

1228454394914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857769.

The product of its digits is 9953280, while the sum is 56.

The spelling of 1228454394914 in words is "one trillion, two hundred twenty-eight billion, four hundred fifty-four million, three hundred ninety-four thousand, nine hundred fourteen".