12020321202124 has 48 divisors (see below), whose sum is σ = 23044970551680. Its totient is φ = 5460620103680.

The previous prime is 12020321202089. The next prime is 12020321202139. The reversal of 12020321202124 is 42120212302021.

It is a super-2 number, since 2×12020321202124² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020321202095 and 12020321202104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10926564 + ... + 11976244.

It is an arithmetic number, because the mean of its divisors is an integer number (480103553160).

Almost surely, 2^{12020321202124} is an apocalyptic number.

It is an amenable number.

12020321202124 is a deficient number, since it is larger than the sum of its proper divisors (11024649349556).

12020321202124 is a wasteful number, since it uses less digits than its factorization.

12020321202124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055538 (or 1055536 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12020321202124 its reverse (42120212302021), we get a palindrome (54140533504145).

The spelling of 12020321202124 in words is "twelve trillion, twenty billion, three hundred twenty-one million, two hundred two thousand, one hundred twenty-four".