1213020014304 has 144 divisors (see below), whose sum is σ = 3705259759488. Its totient is φ = 346463324928.

The previous prime is 1213020014267. The next prime is 1213020014309. The reversal of 1213020014304 is 4034100203121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213020014309) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 14837989 + ... + 14919515.

It is an arithmetic number, because the mean of its divisors is an integer number (25730970552).

Almost surely, 2^{1213020014304} is an apocalyptic number.

1213020014304 is a gapful number since it is divisible by the number (14) 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 1213020014304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852629879744).

1213020014304 is an abundant number, since it is smaller than the sum of its proper divisors (2492239745184).

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

1213020014304 is a wasteful number, since it uses less digits than its factorization.

1213020014304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84717 (or 84702 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1213020014304 its reverse (4034100203121), we get a palindrome (5247120217425).

The spelling of 1213020014304 in words is "one trillion, two hundred thirteen billion, twenty million, fourteen thousand, three hundred four".