1225892050000 has 120 divisors (see below), whose sum is σ = 2970165959712. Its totient is φ = 490125840000.

The previous prime is 1225892049983. The next prime is 1225892050039. The reversal of 1225892050000 is 502985221.

It is a happy number.

It is a super-2 number, since 2×1225892050000² (a number of 25 digits) contains 22 as substring.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 140145627 + ... + 140154373.

Almost surely, 2^{1225892050000} is an apocalyptic number.

1225892050000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225892050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485082979856).

1225892050000 is an abundant number, since it is smaller than the sum of its proper divisors (1744273909712).

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

1225892050000 is an frugal number, since it uses more digits than its factorization.

1225892050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11583 (or 11557 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 1225892050000 in words is "one trillion, two hundred twenty-five billion, eight hundred ninety-two million, fifty thousand".