126221465345 has 8 divisors (see below), whose sum is σ = 154988218176. Its totient is φ = 98628865776.

The previous prime is 126221465327. The next prime is 126221465347. The reversal of 126221465345 is 543564122621.

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

It is a cyclic number.

It is not a de Polignac number, because 126221465345 - 2⁶ = 126221465281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126221465347) 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, 293538077 + ... + 293538506.

It is an arithmetic number, because the mean of its divisors is an integer number (19373527272).

Almost surely, 2^126221465345 is an apocalyptic number.

It is an amenable number.

126221465345 is a deficient number, since it is larger than the sum of its proper divisors (28766752831).

126221465345 is an equidigital number, since it uses as much as digits as its factorization.

126221465345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587076631.

The product of its digits is 345600, while the sum is 41.

Adding to 126221465345 its reverse (543564122621), we get a palindrome (669785587966).

The spelling of 126221465345 in words is "one hundred twenty-six billion, two hundred twenty-one million, four hundred sixty-five thousand, three hundred forty-five".