1214745473128 has 16 divisors (see below), whose sum is σ = 2484706649760. Its totient is φ = 552157033200.

The previous prime is 1214745473119. The next prime is 1214745473143. The reversal of 1214745473128 is 8213745474121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6901962828 + ... + 6901963003.

It is an arithmetic number, because the mean of its divisors is an integer number (155294165610).

Almost surely, 2^{1214745473128} is an apocalyptic number.

It is an amenable number.

1214745473128 is an abundant number, since it is smaller than the sum of its proper divisors (1269961176632).

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

1214745473128 is a wasteful number, since it uses less digits than its factorization.

1214745473128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13803925848 (or 13803925844 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The spelling of 1214745473128 in words is "one trillion, two hundred fourteen billion, seven hundred forty-five million, four hundred seventy-three thousand, one hundred twenty-eight".