122412502501 has 4 divisors (see below), whose sum is σ = 122417949472. Its totient is φ = 122407055532.

The previous prime is 122412502483. The next prime is 122412502543. The reversal of 122412502501 is 105205214221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122412502501 - 2¹¹ = 122412500453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122412502001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2689635 + ... + 2734768.

It is an arithmetic number, because the mean of its divisors is an integer number (30604487368).

Almost surely, 2^122412502501 is an apocalyptic number.

It is an amenable number.

122412502501 is a deficient number, since it is larger than the sum of its proper divisors (5446971).

122412502501 is an equidigital number, since it uses as much as digits as its factorization.

122412502501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446970.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 122412502501 its reverse (105205214221), we get a palindrome (227617716722).

The spelling of 122412502501 in words is "one hundred twenty-two billion, four hundred twelve million, five hundred two thousand, five hundred one".