1225770456892 has 12 divisors (see below), whose sum is σ = 2197417770576. Its totient is φ = 597936808160.

The previous prime is 1225770456853. The next prime is 1225770456947. The reversal of 1225770456892 is 2986540775221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3737104888 + ... + 3737105215.

It is an arithmetic number, because the mean of its divisors is an integer number (183118147548).

Almost surely, 2^{1225770456892} is an apocalyptic number.

It is an amenable number.

1225770456892 is a deficient number, since it is larger than the sum of its proper divisors (971647313684).

1225770456892 is a wasteful number, since it uses less digits than its factorization.

1225770456892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474210148 (or 7474210146 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 1225770456892 in words is "one trillion, two hundred twenty-five billion, seven hundred seventy million, four hundred fifty-six thousand, eight hundred ninety-two".