1225235353988 has 12 divisors (see below), whose sum is σ = 2145163361292. Its totient is φ = 612331536480.

The previous prime is 1225235353987. The next prime is 1225235354023. The reversal of 1225235353988 is 8893535325221.

It can be written as a sum of positive squares in 2 ways, for example, as 1194697092484 + 30538261504 = 1093022^2 + 174752^2 .

It is not an unprimeable number, because it can be changed into a prime (1225235353987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71525495 + ... + 71542622.

It is an arithmetic number, because the mean of its divisors is an integer number (178763613441).

Almost surely, 2^{1225235353988} is an apocalyptic number.

It is an amenable number.

1225235353988 is a deficient number, since it is larger than the sum of its proper divisors (919928007304).

1225235353988 is a wasteful number, since it uses less digits than its factorization.

1225235353988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143070262 (or 143070260 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 56.

The spelling of 1225235353988 in words is "one trillion, two hundred twenty-five billion, two hundred thirty-five million, three hundred fifty-three thousand, nine hundred eighty-eight".