21012041230130 has 8 divisors (see below), whose sum is σ = 37821674214252. Its totient is φ = 8404816492048.

The previous prime is 21012041230123. The next prime is 21012041230171. The reversal of 21012041230130 is 3103214021012.

It can be written as a sum of positive squares in 2 ways, for example, as 18019829730529 + 2992211499601 = 4244977^2 + 1729801^2 .

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

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, 1050602061497 + ... + 1050602061516.

Almost surely, 2^{21012041230130} is an apocalyptic number.

21012041230130 is a deficient number, since it is larger than the sum of its proper divisors (16809632984122).

21012041230130 is a wasteful number, since it uses less digits than its factorization.

21012041230130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101204123020.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21012041230130 its reverse (3103214021012), we get a palindrome (24115255251142).

The spelling of 21012041230130 in words is "twenty-one trillion, twelve billion, forty-one million, two hundred thirty thousand, one hundred thirty".