122513446650251 has 4 divisors (see below), whose sum is σ = 122519241187152. Its totient is φ = 122507652113352.

The previous prime is 122513446650233. The next prime is 122513446650263. The reversal of 122513446650251 is 152056644315221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122513446650251 - 2⁶ = 122513446650187 is a prime.

It is a super-2 number, since 2×122513446650251² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122513446650196 and 122513446650205.

It is not an unprimeable number, because it can be changed into a prime (122513446050251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897236736 + ... + 2897279021.

It is an arithmetic number, because the mean of its divisors is an integer number (30629810296788).

Almost surely, 2^{122513446650251} is an apocalyptic number.

122513446650251 is a deficient number, since it is larger than the sum of its proper divisors (5794536901).

122513446650251 is an equidigital number, since it uses as much as digits as its factorization.

122513446650251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5794536900.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 122513446650251 in words is "one hundred twenty-two trillion, five hundred thirteen billion, four hundred forty-six million, six hundred fifty thousand, two hundred fifty-one".