13142421231225 has 96 divisors (see below), whose sum is σ = 26351014760448. Its totient is φ = 5692183200000.

The previous prime is 13142421231091. The next prime is 13142421231239. The reversal of 13142421231225 is 52213212424131.

It is not a de Polignac number, because 13142421231225 - 2⁹ = 13142421230713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19432051 + ... + 20097000.

It is an arithmetic number, because the mean of its divisors is an integer number (274489737088).

Almost surely, 2^{13142421231225} is an apocalyptic number.

13142421231225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13142421231225 is an abundant number, since it is smaller than the sum of its proper divisors (13208593529223).

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

13142421231225 is a wasteful number, since it uses less digits than its factorization.

13142421231225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39529119 (or 39529114 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

Adding to 13142421231225 its reverse (52213212424131), we get a palindrome (65355633655356).

The spelling of 13142421231225 in words is "thirteen trillion, one hundred forty-two billion, four hundred twenty-one million, two hundred thirty-one thousand, two hundred twenty-five".