13252120051 has 8 divisors (see below), whose sum is σ = 13437570384. Its totient is φ = 13067283840.

The previous prime is 13252119997. The next prime is 13252120067. The reversal of 13252120051 is 15002125231.

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 13252120051 - 2¹¹ = 13252118003 is a prime.

It is a super-2 number, since 2×13252120051² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13252120751) 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, 109986 + ... + 196471.

It is an arithmetic number, because the mean of its divisors is an integer number (1679696298).

Almost surely, 2^13252120051 is an apocalyptic number.

13252120051 is a deficient number, since it is larger than the sum of its proper divisors (185450333).

13252120051 is an equidigital number, since it uses as much as digits as its factorization.

13252120051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307061.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 13252120051 its reverse (15002125231), we get a palindrome (28254245282).

The spelling of 13252120051 in words is "thirteen billion, two hundred fifty-two million, one hundred twenty thousand, fifty-one".