1224212141040 has 160 divisors (see below), whose sum is σ = 4486767828480. Its totient is φ = 270170944512.

The previous prime is 1224212141023. The next prime is 1224212141083. The reversal of 1224212141040 is 401412124221.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1224212141040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12515034 + ... + 12612473.

It is an arithmetic number, because the mean of its divisors is an integer number (28042298928).

Almost surely, 2^{1224212141040} is an apocalyptic number.

1224212141040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224212141040 is an abundant number, since it is smaller than the sum of its proper divisors (3262555687440).

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

1224212141040 is a wasteful number, since it uses less digits than its factorization.

1224212141040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25127559 (or 25127553 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1224212141040 its reverse (401412124221), we get a palindrome (1625624265261).

The spelling of 1224212141040 in words is "one trillion, two hundred twenty-four billion, two hundred twelve million, one hundred forty-one thousand, forty".