13122420210251 has 32 divisors (see below), whose sum is σ = 14680278068736. Its totient is φ = 11629241280000.

The previous prime is 13122420210199. The next prime is 13122420210287. The reversal of 13122420210251 is 15201202422131.

It is a cyclic number.

It is not a de Polignac number, because 13122420210251 - 2³⁸ = 12847542303307 is a prime.

It is a super-3 number, since 3×13122420210251³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13122420210251.

It is not an unprimeable number, because it can be changed into a prime (13122420210751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43722440 + ... + 44021546.

It is an arithmetic number, because the mean of its divisors is an integer number (458758689648).

Almost surely, 2^{13122420210251} is an apocalyptic number.

13122420210251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13122420210251 is a deficient number, since it is larger than the sum of its proper divisors (1557857858485).

13122420210251 is a wasteful number, since it uses less digits than its factorization.

13122420210251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299763.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 13122420210251 its reverse (15201202422131), we get a palindrome (28323622632382).

The spelling of 13122420210251 in words is "thirteen trillion, one hundred twenty-two billion, four hundred twenty million, two hundred ten thousand, two hundred fifty-one".