15412130340242 has 16 divisors (see below), whose sum is σ = 23438019043032. Its totient is φ = 7599485577600.

The previous prime is 15412130340227. The next prime is 15412130340259. The reversal of 15412130340242 is 24204303121451.

It can be written as a sum of positive squares in 4 ways, for example, as 14845616706001 + 566513634241 = 3853001^2 + 752671^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15412130340199 and 15412130340208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5967509 + ... + 8150792.

Almost surely, 2^{15412130340242} is an apocalyptic number.

15412130340242 is a deficient number, since it is larger than the sum of its proper divisors (8025888702790).

15412130340242 is a wasteful number, since it uses less digits than its factorization.

15412130340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14125853.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 15412130340242 its reverse (24204303121451), we get a palindrome (39616433461693).

The spelling of 15412130340242 in words is "fifteen trillion, four hundred twelve billion, one hundred thirty million, three hundred forty thousand, two hundred forty-two".