12020133441530 has 8 divisors (see below), whose sum is σ = 21636240194772. Its totient is φ = 4808053376608.

The previous prime is 12020133441521. The next prime is 12020133441571. The reversal of 12020133441530 is 3514433102021.

It can be written as a sum of positive squares in 2 ways, for example, as 9629024806489 + 2391108635041 = 3103067^2 + 1546321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12020133441493 and 12020133441502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601006672067 + ... + 601006672086.

Almost surely, 2^{12020133441530} is an apocalyptic number.

12020133441530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020133441530 is a deficient number, since it is larger than the sum of its proper divisors (9616106753242).

12020133441530 is a wasteful number, since it uses less digits than its factorization.

12020133441530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202013344160.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 12020133441530 its reverse (3514433102021), we get a palindrome (15534566543551).

The spelling of 12020133441530 in words is "twelve trillion, twenty billion, one hundred thirty-three million, four hundred forty-one thousand, five hundred thirty".