1320204412124 has 12 divisors (see below), whose sum is σ = 2488077546024. Its totient is φ = 609325113264.

The previous prime is 1320204412123. The next prime is 1320204412129. The reversal of 1320204412124 is 4212144020231.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1320204412093 and 1320204412102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320204412123) 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, 12694273142 + ... + 12694273245.

It is an arithmetic number, because the mean of its divisors is an integer number (207339795502).

Almost surely, 2^{1320204412124} is an apocalyptic number.

It is an amenable number.

1320204412124 is a deficient number, since it is larger than the sum of its proper divisors (1167873133900).

1320204412124 is a wasteful number, since it uses less digits than its factorization.

1320204412124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25388546404 (or 25388546402 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1320204412124 its reverse (4212144020231), we get a palindrome (5532348432355).

The spelling of 1320204412124 in words is "one trillion, three hundred twenty billion, two hundred four million, four hundred twelve thousand, one hundred twenty-four".