1210793944400 has 60 divisors (see below), whose sum is σ = 3080046142332. Its totient is φ = 455828305920.

The previous prime is 1210793944361. The next prime is 1210793944421. The reversal of 1210793944400 is 44493970121.

It can be written as a sum of positive squares in 6 ways, for example, as 170793745984 + 1040000198416 = 413272^2 + 1019804^2 .

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 11 ways as a sum of consecutive naturals, for example, 89022167 + ... + 89035766.

Almost surely, 2^{1210793944400} is an apocalyptic number.

1210793944400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210793944400 is an abundant number, since it is smaller than the sum of its proper divisors (1869252197932).

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

1210793944400 is a wasteful number, since it uses less digits than its factorization.

1210793944400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178057968 (or 178057957 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 1210793944400 in words is "one trillion, two hundred ten billion, seven hundred ninety-three million, nine hundred forty-four thousand, four hundred".