12120410401225 has 24 divisors (see below), whose sum is σ = 17212211919360. Its totient is φ = 8293787483520.

The previous prime is 12120410401207. The next prime is 12120410401243. The reversal of 12120410401225 is 52210401402121.

It is an interprime number because it is at equal distance from previous prime (12120410401207) and next prime (12120410401243).

It is not a de Polignac number, because 12120410401225 - 2¹⁵ = 12120410368457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 12120410401225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72212092 + ... + 72379741.

It is an arithmetic number, because the mean of its divisors is an integer number (717175496640).

Almost surely, 2^{12120410401225} is an apocalyptic number.

It is an amenable number.

12120410401225 is a deficient number, since it is larger than the sum of its proper divisors (5091801518135).

12120410401225 is a wasteful number, since it uses less digits than its factorization.

12120410401225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144592329 (or 144592324 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 12120410401225 its reverse (52210401402121), we get a palindrome (64330811803346).

The spelling of 12120410401225 in words is "twelve trillion, one hundred twenty billion, four hundred ten million, four hundred one thousand, two hundred twenty-five".