1213020004304 has 20 divisors (see below), whose sum is σ = 2350260823680. Its totient is φ = 606501082080.

The previous prime is 1213020004291. The next prime is 1213020004307. The reversal of 1213020004304 is 4034000203121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213020004307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642689 + ... + 1684959.

It is an arithmetic number, because the mean of its divisors is an integer number (117513041184).

Almost surely, 2^{1213020004304} is an apocalyptic number.

It is an amenable number.

1213020004304 is a deficient number, since it is larger than the sum of its proper divisors (1137240819376).

1213020004304 is a wasteful number, since it uses less digits than its factorization.

1213020004304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115018 (or 1115012 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1213020004304 its reverse (4034000203121), we get a palindrome (5247020207425).

The spelling of 1213020004304 in words is "one trillion, two hundred thirteen billion, twenty million, four thousand, three hundred four".