1252226557164 has 48 divisors (see below), whose sum is σ = 3187553322240. Its totient is φ = 379454552640.

The previous prime is 1252226557159. The next prime is 1252226557199. The reversal of 1252226557164 is 4617556222521.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9930937 + ... + 10056239.

It is an arithmetic number, because the mean of its divisors is an integer number (66407360880).

Almost surely, 2^{1252226557164} is an apocalyptic number.

It is an amenable number.

1252226557164 is an abundant number, since it is smaller than the sum of its proper divisors (1935326765076).

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

1252226557164 is a wasteful number, since it uses less digits than its factorization.

1252226557164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201030 (or 201028 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 48.

The spelling of 1252226557164 in words is "one trillion, two hundred fifty-two billion, two hundred twenty-six million, five hundred fifty-seven thousand, one hundred sixty-four".