1242415030420 has 36 divisors (see below), whose sum is σ = 2674259622972. Its totient is φ = 484844876800.

The previous prime is 1242415030399. The next prime is 1242415030433. The reversal of 1242415030420 is 240305142421.

It can be written as a sum of positive squares in 6 ways, for example, as 73460513296 + 1168954517124 = 271036^2 + 1081182^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18443701 + ... + 18510940.

It is an arithmetic number, because the mean of its divisors is an integer number (74284989527).

Almost surely, 2^{1242415030420} is an apocalyptic number.

1242415030420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242415030420 is an abundant number, since it is smaller than the sum of its proper divisors (1431844592552).

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

1242415030420 is a wasteful number, since it uses less digits than its factorization.

1242415030420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36954732 (or 36954689 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 1242415030420 in words is "one trillion, two hundred forty-two billion, four hundred fifteen million, thirty thousand, four hundred twenty".