1214978503296 has 128 divisors (see below), whose sum is σ = 3258739411200. Its totient is φ = 401064652800.

The previous prime is 1214978503279. The next prime is 1214978503303. The reversal of 1214978503296 is 6923058794121.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16574886 + ... + 16648026.

It is an arithmetic number, because the mean of its divisors is an integer number (25458901650).

It is a 1-persistent number, because it is pandigital, but 2⋅1214978503296 = 2429957006592 is not.

Almost surely, 2^{1214978503296} is an apocalyptic number.

1214978503296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214978503296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629369705600).

1214978503296 is an abundant number, since it is smaller than the sum of its proper divisors (2043760907904).

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

1214978503296 is a wasteful number, since it uses less digits than its factorization.

1214978503296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73578 (or 73566 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 1214978503296 in words is "one trillion, two hundred fourteen billion, nine hundred seventy-eight million, five hundred three thousand, two hundred ninety-six".