13252400143242 has 32 divisors (see below), whose sum is σ = 28578145885632. Its totient is φ = 4072730895744.

The previous prime is 13252400143211. The next prime is 13252400143243. The reversal of 13252400143242 is 24234100425231.

It is a happy number.

It is a super-2 number, since 2×13252400143242² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13252400143243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102657723 + ... + 102786734.

It is an arithmetic number, because the mean of its divisors is an integer number (893067058926).

Almost surely, 2^{13252400143242} is an apocalyptic number.

13252400143242 is an abundant number, since it is smaller than the sum of its proper divisors (15325745742390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13252400143242 is a wasteful number, since it uses less digits than its factorization.

13252400143242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205445302.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 13252400143242 its reverse (24234100425231), we get a palindrome (37486500568473).

The spelling of 13252400143242 in words is "thirteen trillion, two hundred fifty-two billion, four hundred million, one hundred forty-three thousand, two hundred forty-two".