1224455342120 has 16 divisors (see below), whose sum is σ = 2755024519860. Its totient is φ = 489782136832.

The previous prime is 1224455342111. The next prime is 1224455342137. The reversal of 1224455342120 is 212435544221.

It can be written as a sum of positive squares in 2 ways, for example, as 1100665363876 + 123789978244 = 1049126^2 + 351838^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15305691737 + ... + 15305691816.

Almost surely, 2^{1224455342120} is an apocalyptic number.

1224455342120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224455342120 is an abundant number, since it is smaller than the sum of its proper divisors (1530569177740).

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

1224455342120 is a wasteful number, since it uses less digits than its factorization.

1224455342120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30611383564 (or 30611383560 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 1224455342120 in words is "one trillion, two hundred twenty-four billion, four hundred fifty-five million, three hundred forty-two thousand, one hundred twenty".