1226211073320 has 64 divisors (see below), whose sum is σ = 3678793640640. Its totient is φ = 326975360000.

The previous prime is 1226211073237. The next prime is 1226211073349. The reversal of 1226211073320 is 233701126221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2699440 + ... + 3120800.

It is an arithmetic number, because the mean of its divisors is an integer number (57481150635).

Almost surely, 2^{1226211073320} is an apocalyptic number.

1226211073320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226211073320 is an abundant number, since it is smaller than the sum of its proper divisors (2452582567320).

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

1226211073320 is a wasteful number, since it uses less digits than its factorization.

1226211073320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445626 (or 445622 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 1226211073320 its reverse (233701126221), we get a palindrome (1459912199541).

The spelling of 1226211073320 in words is "one trillion, two hundred twenty-six billion, two hundred eleven million, seventy-three thousand, three hundred twenty".