1214103443520 has 448 divisors, whose sum is σ = 4481453039616. Its totient is φ = 275538616320.

The previous prime is 1214103443491. The next prime is 1214103443563. The reversal of 1214103443520 is 253443014121.

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 63 ways as a sum of consecutive naturals, for example, 11362182 + ... + 11468538.

It is an arithmetic number, because the mean of its divisors is an integer number (10003243392).

Almost surely, 2^{1214103443520} is an apocalyptic number.

1214103443520 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 1214103443520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2240726519808).

1214103443520 is an abundant number, since it is smaller than the sum of its proper divisors (3267349596096).

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

1214103443520 is a wasteful number, since it uses less digits than its factorization.

1214103443520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106458 (or 106448 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1214103443520 its reverse (253443014121), we get a palindrome (1467546457641).

The spelling of 1214103443520 in words is "one trillion, two hundred fourteen billion, one hundred three million, four hundred forty-three thousand, five hundred twenty".