1212251232125 has 32 divisors (see below), whose sum is σ = 1565471232000. Its totient is φ = 936112430400.

The previous prime is 1212251232103. The next prime is 1212251232161. The reversal of 1212251232125 is 5212321522121.

It is not a de Polignac number, because 1212251232125 - 2⁸ = 1212251231869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14338226 + ... + 14422524.

It is an arithmetic number, because the mean of its divisors is an integer number (48920976000).

Almost surely, 2^{1212251232125} is an apocalyptic number.

It is an amenable number.

1212251232125 is a deficient number, since it is larger than the sum of its proper divisors (353219999875).

1212251232125 is an equidigital number, since it uses as much as digits as its factorization.

1212251232125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88310 (or 88300 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

Adding to 1212251232125 its reverse (5212321522121), we get a palindrome (6424572754246).

The spelling of 1212251232125 in words is "one trillion, two hundred twelve billion, two hundred fifty-one million, two hundred thirty-two thousand, one hundred twenty-five".