1226429750000 has 1120 divisors, whose sum is σ = 3958029336576. Its totient is φ = 357696000000.

The previous prime is 1226429749997. The next prime is 1226429750011. The reversal of 1226429750000 is 579246221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 26094249977 + ... + 26094250023.

Almost surely, 2^{1226429750000} is an apocalyptic number.

1226429750000 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 1226429750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1979014668288).

1226429750000 is an abundant number, since it is smaller than the sum of its proper divisors (2731599586576).

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

1226429750000 is an equidigital number, since it uses as much as digits as its factorization.

1226429750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 1226429750000 in words is "one trillion, two hundred twenty-six billion, four hundred twenty-nine million, seven hundred fifty thousand".