1226271740000 has 120 divisors (see below), whose sum is σ = 3020753237040. Its totient is φ = 489867968000.

The previous prime is 1226271739933. The next prime is 1226271740021. The reversal of 1226271740000 is 471726221.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 19 ways as a sum of consecutive naturals, for example, 15420341 + ... + 15499659.

It is an arithmetic number, because the mean of its divisors is an integer number (25172943642).

Almost surely, 2^{1226271740000} is an apocalyptic number.

1226271740000 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 1226271740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1510376618520).

1226271740000 is an abundant number, since it is smaller than the sum of its proper divisors (1794481497040).

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

1226271740000 is an frugal number, since it uses more digits than its factorization.

1226271740000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80122 (or 80099 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 1226271740000 in words is "one trillion, two hundred twenty-six billion, two hundred seventy-one million, seven hundred forty thousand".