1226041200000 has 576 divisors, whose sum is σ = 4456525076640. Its totient is φ = 323481600000.

The previous prime is 1226041199993. The next prime is 1226041200017. The reversal of 1226041200000 is 21406221.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 349198245 + ... + 349201755.

Almost surely, 2^{1226041200000} is an apocalyptic number.

1226041200000 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 1226041200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2228262538320).

1226041200000 is an abundant number, since it is smaller than the sum of its proper divisors (3230483876640).

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

1226041200000 is an frugal number, since it uses more digits than its factorization.

1226041200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653 (or 3618 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1226041200000 its reverse (21406221), we get a palindrome (1226062606221).

The spelling of 1226041200000 in words is "one trillion, two hundred twenty-six billion, forty-one million, two hundred thousand".