1231214213225 has 24 divisors (see below), whose sum is σ = 1582370924160. Its totient is φ = 949188179520.

The previous prime is 1231214213219. The next prime is 1231214213249. The reversal of 1231214213225 is 5223124121321.

It is not a de Polignac number, because 1231214213225 - 2¹⁰ = 1231214212201 is a prime.

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

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, 1244369 + ... + 2002718.

It is an arithmetic number, because the mean of its divisors is an integer number (65932121840).

Almost surely, 2^{1231214213225} is an apocalyptic number.

It is an amenable number.

1231214213225 is a deficient number, since it is larger than the sum of its proper divisors (351156710935).

1231214213225 is a wasteful number, since it uses less digits than its factorization.

1231214213225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247649 (or 3247644 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 1231214213225 its reverse (5223124121321), we get a palindrome (6454338334546).

The spelling of 1231214213225 in words is "one trillion, two hundred thirty-one billion, two hundred fourteen million, two hundred thirteen thousand, two hundred twenty-five".