12415442202251 has 8 divisors (see below), whose sum is σ = 13544178351600. Its totient is φ = 11286715983840.

The previous prime is 12415442202223. The next prime is 12415442202259. The reversal of 12415442202251 is 15220224451421.

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

It is not a de Polignac number, because 12415442202251 - 2¹⁸ = 12415441940107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12415442202259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263345 + ... + 4990013.

It is an arithmetic number, because the mean of its divisors is an integer number (1693022293950).

Almost surely, 2^{12415442202251} is an apocalyptic number.

12415442202251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12415442202251 is a deficient number, since it is larger than the sum of its proper divisors (1128736149349).

12415442202251 is a wasteful number, since it uses less digits than its factorization.

12415442202251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965469.

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 12415442202251 its reverse (15220224451421), we get a palindrome (27635666653672).

The spelling of 12415442202251 in words is "twelve trillion, four hundred fifteen billion, four hundred forty-two million, two hundred two thousand, two hundred fifty-one".