1210440142320 has 40 divisors (see below), whose sum is σ = 3752364441936. Its totient is φ = 322784037888.

The previous prime is 1210440142291. The next prime is 1210440142381. The reversal of 1210440142320 is 232410440121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2521750057 + ... + 2521750536.

Almost surely, 2^{1210440142320} is an apocalyptic number.

1210440142320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210440142320 is an abundant number, since it is smaller than the sum of its proper divisors (2541924299616).

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

1210440142320 is a wasteful number, since it uses less digits than its factorization.

1210440142320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043500609 (or 5043500603 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1210440142320 its reverse (232410440121), we get a palindrome (1442850582441).

The spelling of 1210440142320 in words is "one trillion, two hundred ten billion, four hundred forty million, one hundred forty-two thousand, three hundred twenty".