1242250021060 has 24 divisors (see below), whose sum is σ = 2610847736280. Its totient is φ = 496495686144.

The previous prime is 1242250020989. The next prime is 1242250021081. The reversal of 1242250021060 is 601200522421.

It can be written as a sum of positive squares in 4 ways, for example, as 186292371456 + 1055957649604 = 431616^2 + 1027598^2 .

It is a super-2 number, since 2×1242250021060² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 25244949 + ... + 25294108.

It is an arithmetic number, because the mean of its divisors is an integer number (108785322345).

Almost surely, 2^{1242250021060} is an apocalyptic number.

1242250021060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242250021060 is an abundant number, since it is smaller than the sum of its proper divisors (1368597715220).

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

1242250021060 is a wasteful number, since it uses less digits than its factorization.

1242250021060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50540295 (or 50540293 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1242250021060 its reverse (601200522421), we get a palindrome (1843450543481).

The spelling of 1242250021060 in words is "one trillion, two hundred forty-two billion, two hundred fifty million, twenty-one thousand, sixty".