1225371056652 has 36 divisors (see below), whose sum is σ = 3260490240280. Its totient is φ = 386959280832.

The previous prime is 1225371056617. The next prime is 1225371056659. The reversal of 1225371056652 is 2566501735221.

It is a happy number.

1225371056652 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 37 + 1 + 0 + 566 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1225371056598 and 1225371056607.

It is not an unprimeable number, because it can be changed into a prime (1225371056659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 895738393 + ... + 895739760.

Almost surely, 2^{1225371056652} is an apocalyptic number.

1225371056652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1225371056652 is an abundant number, since it is smaller than the sum of its proper divisors (2035119183628).

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

1225371056652 is a wasteful number, since it uses less digits than its factorization.

1225371056652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791478182 (or 1791478177 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 1225371056652 in words is "one trillion, two hundred twenty-five billion, three hundred seventy-one million, fifty-six thousand, six hundred fifty-two".