20130412333249 has 2 divisors, whose sum is σ = 20130412333250. Its totient is φ = 20130412333248.

The previous prime is 20130412333223. The next prime is 20130412333331. The reversal of 20130412333249 is 94233321403102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11107555840000 + 9022856493249 = 3332800^2 + 3003807^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130412333249 - 2¹⁹ = 20130411808961 is a prime.

It is not a weakly prime, because it can be changed into another prime (20130412363249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065206166624 + 10065206166625.

It is an arithmetic number, because the mean of its divisors is an integer number (10065206166625).

Almost surely, 2^{20130412333249} is an apocalyptic number.

It is an amenable number.

20130412333249 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130412333249 is an equidigital number, since it uses as much as digits as its factorization.

20130412333249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 20130412333249 in words is "twenty trillion, one hundred thirty billion, four hundred twelve million, three hundred thirty-three thousand, two hundred forty-nine".