1224478134568 has 32 divisors (see below), whose sum is σ = 2472558921000. Its totient is φ = 565131184128.

The previous prime is 1224478134511. The next prime is 1224478134577. The reversal of 1224478134568 is 8654318744221.

It can be written as a sum of positive squares in 4 ways, for example, as 1191280565764 + 33197568804 = 1091458^2 + 182202^2 .

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5893380 + ... + 6097612.

Almost surely, 2^{1224478134568} is an apocalyptic number.

It is an amenable number.

1224478134568 is an abundant number, since it is smaller than the sum of its proper divisors (1248080786432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224478134568 is a wasteful number, since it uses less digits than its factorization.

1224478134568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261901 (or 261897 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 55.

The spelling of 1224478134568 in words is "one trillion, two hundred twenty-four billion, four hundred seventy-eight million, one hundred thirty-four thousand, five hundred sixty-eight".