12510220301 has 4 divisors (see below), whose sum is σ = 12668577600. Its totient is φ = 12351863004.

The previous prime is 12510220279. The next prime is 12510220367. The reversal of 12510220301 is 10302201521.

It is a happy number.

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 12510220301 - 2²² = 12506025997 is a prime.

It is a super-2 number, since 2×12510220301² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12510220301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510220601) 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, 79178531 + ... + 79178688.

It is an arithmetic number, because the mean of its divisors is an integer number (3167144400).

Almost surely, 2^12510220301 is an apocalyptic number.

It is an amenable number.

12510220301 is a deficient number, since it is larger than the sum of its proper divisors (158357299).

12510220301 is an equidigital number, since it uses as much as digits as its factorization.

12510220301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158357298.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 12510220301 its reverse (10302201521), we get a palindrome (22812421822).

The spelling of 12510220301 in words is "twelve billion, five hundred ten million, two hundred twenty thousand, three hundred one".